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How far is Key West, FL, from London?

The distance between London (London Heathrow Airport) and Key West (Key West International Airport) is 4550 miles / 7322 kilometers / 3954 nautical miles.

London Heathrow Airport – Key West International Airport

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4550
Miles
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7322
Kilometers
Distance arrow
3954
Nautical miles

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Distance from London to Key West

There are several ways to calculate the distance from London to Key West. Here are two standard methods:

Vincenty's formula (applied above)
  • 4549.913 miles
  • 7322.375 kilometers
  • 3953.766 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 4542.408 miles
  • 7310.297 kilometers
  • 3947.245 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from London to Key West?

The estimated flight time from London Heathrow Airport to Key West International Airport is 9 hours and 6 minutes.

Flight carbon footprint between London Heathrow Airport (LHR) and Key West International Airport (EYW)

On average, flying from London to Key West generates about 526 kg of CO2 per passenger, and 526 kilograms equals 1 159 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from London to Key West

See the map of the shortest flight path between London Heathrow Airport (LHR) and Key West International Airport (EYW).

Airport information

Origin London Heathrow Airport
City: London
Country: United Kingdom Flag of United Kingdom
IATA Code: LHR
ICAO Code: EGLL
Coordinates: 51°28′14″N, 0°27′42″W
Destination Key West International Airport
City: Key West, FL
Country: United States Flag of United States
IATA Code: EYW
ICAO Code: KEYW
Coordinates: 24°33′21″N, 81°45′34″W