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How far is Saint John from Key West, FL?

The distance between Key West (Key West International Airport) and Saint John (Saint John Airport) is 1684 miles / 2710 kilometers / 1463 nautical miles.

The driving distance from Key West (EYW) to Saint John (YSJ) is 2060 miles / 3315 kilometers, and travel time by car is about 40 hours 18 minutes.

Key West International Airport – Saint John Airport

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1684
Miles
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2710
Kilometers
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1463
Nautical miles

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Distance from Key West to Saint John

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

Vincenty's formula (applied above)
  • 1684.022 miles
  • 2710.170 kilometers
  • 1463.375 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
  • 1685.751 miles
  • 2712.952 kilometers
  • 1464.877 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 Key West to Saint John?

The estimated flight time from Key West International Airport to Saint John Airport is 3 hours and 41 minutes.

Flight carbon footprint between Key West International Airport (EYW) and Saint John Airport (YSJ)

On average, flying from Key West to Saint John generates about 192 kg of CO2 per passenger, and 192 kilograms equals 422 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Key West to Saint John

See the map of the shortest flight path between Key West International Airport (EYW) and Saint John Airport (YSJ).

Airport information

Origin 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
Destination Saint John Airport
City: Saint John
Country: Canada Flag of Canada
IATA Code: YSJ
ICAO Code: CYSJ
Coordinates: 45°18′57″N, 65°53′25″W