Free travel tool

How long is the flight?

Pick two cities to see the distance in kilometres and miles, an estimated nonstop flight time, and the time difference between them. 257 destinations across six continents.

From

Departure time (local)

London to New York

5,570 km

3,461 miles apart, as the crow flies

Estimated flight time

7h 30m

Time difference

—

A straight-line (great-circle) estimate. Real flights are a little longer because of air-traffic routing, winds and any stopovers, so your landing time is approximate.

How it works

Distance and flight time in three steps

1
Choose your departure
Select the city you are flying from. Cities are grouped by continent so they are quick to find.
2
Choose your destination
Select where you are flying to. Use the swap button to flip the route in one tap.
3
Read the result
See the distance in km and miles, an estimated nonstop flight time, and the time difference for jet lag.

Popular flight routes

Distance and estimated flight time for the world's busiest city pairs. Tap any route for the full breakdown, or open a region to see them all.

London to New York

5,570 km · 7h 30m

Paris to New York

5,837 km · 7h 50m

London to Dubai

5,473 km · 7h 20m

London to Tokyo

9,559 km · 12h 25m

London to Sydney

16,994 km · 21h 45m

New York to Los Angeles

3,936 km · 5h 25m

Los Angeles to Tokyo

8,819 km · 11h 30m

Dubai to Singapore

5,837 km · 7h 50m

Singapore to Sydney

6,306 km · 8h 25m

Routes from Europe32

London to Los Angeles

8,756 km · 11h 25m

London to Miami

7,127 km · 9h 25m

London to Boston

5,264 km · 7h 5m

London to Toronto

5,712 km · 7h 40m

Amsterdam to New York

5,863 km · 7h 50m

Rome to New York

6,890 km · 9h 5m

Madrid to New York

5,768 km · 7h 45m

Lisbon to New York

5,422 km · 7h 15m

Edinburgh to New York

5,244 km · 7h 5m

London to Singapore

10,848 km · 14h 5m

London to Hong Kong

9,623 km · 12h 30m

London to Bangkok

9,532 km · 12h 25m

London to Delhi

6,711 km · 8h 55m

London to Mumbai

7,192 km · 9h 30m

London to Cape Town

9,671 km · 12h 35m

London to Nairobi

6,821 km · 9h

London to Marrakech

2,302 km · 3h 25m

Paris to Tokyo

9,712 km · 12h 40m

Paris to Dubai

5,247 km · 7h 5m

Paris to Marrakech

2,102 km · 3h 10m

Munich to Singapore

10,062 km · 13h 5m

Amsterdam to Dubai

5,159 km · 6h 55m

Lisbon to Rio de Janeiro

7,715 km · 10h 10m

Madrid to Buenos Aires

10,045 km · 13h 5m

London to Rome

1,434 km · 2h 20m

London to Barcelona

1,139 km · 1h 55m

London to Paris

344 km · 55m

London to Edinburgh

534 km · 1h 10m

London to Reykjavik

1,890 km · 2h 50m

Paris to Rome

1,105 km · 1h 55m

Barcelona to Madrid

505 km · 1h 10m

Amsterdam to Barcelona

1,238 km · 2h 5m

Routes from North America16

New York to San Francisco

4,129 km · 5h 40m

New York to Miami

1,758 km · 2h 40m

New York to Chicago

1,144 km · 1h 55m

New York to Cancún

2,489 km · 3h 35m

New York to Las Vegas

3,585 km · 5h

Los Angeles to Honolulu

4,120 km · 5h 40m

Los Angeles to New York

3,936 km · 5h 25m

Miami to Cancún

850 km · 1h 35m

Miami to Bogotá

2,430 km · 3h 30m

Toronto to Vancouver

3,359 km · 4h 40m

Mexico City to Cancún

1,295 km · 2h 5m

Los Angeles to Sydney

12,074 km · 15h 35m

San Francisco to Tokyo

8,275 km · 10h 50m

San Francisco to Singapore

13,582 km · 17h 30m

Vancouver to Tokyo

7,556 km · 9h 55m

New York to Tokyo

10,852 km · 14h 5m

Routes from Asia14

Dubai to Mumbai

1,935 km · 2h 55m

Dubai to Sydney

12,050 km · 15h 35m

Singapore to Tokyo

5,311 km · 7h 10m

Singapore to Bangkok

1,427 km · 2h 15m

Singapore to Bali

1,650 km · 2h 35m

Tokyo to Seoul

1,149 km · 1h 55m

Tokyo to Singapore

5,311 km · 7h 10m

Tokyo to Sydney

7,826 km · 10h 15m

Tokyo to Honolulu

6,209 km · 8h 15m

Bangkok to Tokyo

4,599 km · 6h 15m

Hong Kong to Singapore

2,586 km · 3h 45m

Delhi to Dubai

2,205 km · 3h 15m

Mumbai to Dubai

1,935 km · 2h 55m

Beijing to Shanghai

1,067 km · 1h 50m

Routes from South America3

Rio de Janeiro to São Paulo

361 km · 55m

Buenos Aires to Santiago

1,139 km · 1h 55m

Lima to Cusco

575 km · 1h 15m

Routes from Africa3

Cape Town to Johannesburg

1,262 km · 2h 5m

Nairobi to Cape Town

4,102 km · 5h 40m

Cairo to London

3,511 km · 4h 55m

Routes from Oceania6

Sydney to Melbourne

713 km · 1h 25m

Sydney to Auckland

2,156 km · 3h 10m

Sydney to Singapore

6,306 km · 8h 25m

Sydney to Los Angeles

12,074 km · 15h 35m

Auckland to Queenstown

1,044 km · 1h 50m

Melbourne to Auckland

2,626 km · 3h 45m

How flight time and distance work

When you want to know how long a flight takes, two numbers matter: how far apart the cities are, and how fast a plane covers that gap. This calculator works out both, so you can sense-check an itinerary, compare routes or just settle a debate about which trip is really the long-haul one.

Why the distance is measured along a curve

Planes do not fly in the straight line you would draw on a flat map. The shortest route between two cities runs along a great circle, the path you would trace if you stretched a string tight across a globe. That is why a flight from London to Tokyo arcs north over Siberia rather than heading due east, and why this tool uses great-circle distance as the basis for every estimate.

How the flight time is estimated

We take that great-circle distance, divide it by a realistic average ground speed for a jet airliner, and add a fixed allowance for taxiing, take-off, climb, descent and landing. The result is the in-air time for a nonstop flight. It will not match a timetable to the minute, because real flights are shaped by air-traffic routing, the jet stream and how busy each airport is, but it lands close for most journeys. A tailwind on the way home can shave half an hour off a long-haul leg, while a stiff headwind adds it back.

Time difference and jet lag

The result also shows how many hours ahead or behind your destination sits, which is the number that really drives jet lag. A loose rule is that it takes about a day to adjust for every time zone you cross. Flying east, where you lose hours, is usually harder than flying west, so it is worth planning a gentle first day after a big eastbound trip and getting into daylight as soon as you land.

Planning the rest of the trip? Budget the whole thing with the trip cost calculator, sort out which adapter to pack with the travel plug adapter checker, and check the local custom with the tipping calculator.

Flight times, answered

How is flight time calculated?

The calculator measures the great-circle distance between your two cities, which is the shortest path over the surface of the earth, then divides it by a realistic average ground speed and adds a fixed allowance for taxiing, take-off, climb, descent and landing. The result is an estimate of the total time in the air for a nonstop flight.

How accurate is the estimate?

For a typical nonstop flight it lands within a few minutes of the scheduled block time. Real journeys vary with the exact air-traffic routing, headwinds or tailwinds, the aircraft type and how busy the airport is, so treat the number as a close guide rather than a timetable. Flights with a connection take noticeably longer because of the layover.

What is great-circle distance?

A great circle is the shortest route between two points on a sphere. Because the earth is round, that path looks curved when it is drawn on a flat map, which is why long-haul routes such as London to Tokyo appear to arc up over the Arctic. Airlines fly close to the great circle to save fuel and time, so it is the right basis for a distance and flight-time estimate.

Why is my real flight longer than the estimate?

Several reasons: aircraft follow published airways rather than a perfectly straight line, they may be held or rerouted by air-traffic control, strong headwinds slow them down, and there is taxi time at both ends. Any stopover adds the layover time on top. The estimate here is the in-air time for the most direct nonstop routing.

How long is the flight from London to New York?

London to New York is about 5,570 km (3,461 miles) in a straight line, which works out to an estimated nonstop flight time of around 7 hours 30 minutes. The eastbound return is often a little quicker thanks to the jet stream. Use the calculator above for any other pair of cities.

Does the calculator include layovers or connections?

No. It estimates the time for a single nonstop flight along the great-circle route. If your itinerary has a connection, add the layover time and the extra distance of the detour to get your real door-to-door duration.

How do I work out the time difference and jet lag?

The result shows how many hours ahead or behind your destination is, which is the figure that drives jet lag. As a rough rule it takes about a day to adjust per time zone crossed. Flying east (losing hours) tends to be harder than flying west, so plan a lighter first day after a big eastbound trip.

Who made this flight calculator?

This free flight time and distance calculator was built by TripMemo, a travel journal app for iPhone that turns your real trips into a photo map and travel diary. It is one of our free travel tools, alongside our trip cost calculator and travel plug adapter checker.

Last reviewed 2026-06-04. Distances are great-circle estimates and flight times exclude winds, air-traffic routing and stopovers, so use them as a close guide rather than a booking.