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How far is Saint John from Louisville, KY?

The distance between Louisville (Louisville International Airport) and Saint John (Saint John Airport) is 1134 miles / 1825 kilometers / 985 nautical miles.

The driving distance from Louisville (SDF) to Saint John (YSJ) is 1388 miles / 2233 kilometers, and travel time by car is about 26 hours 52 minutes.

Louisville International Airport – Saint John Airport

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1134
Miles
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1825
Kilometers
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985
Nautical miles

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Distance from Louisville to Saint John

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

Vincenty's formula (applied above)
  • 1133.917 miles
  • 1824.863 kilometers
  • 985.347 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
  • 1131.774 miles
  • 1821.413 kilometers
  • 983.485 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 Louisville to Saint John?

The estimated flight time from Louisville International Airport to Saint John Airport is 2 hours and 38 minutes.

Flight carbon footprint between Louisville International Airport (SDF) and Saint John Airport (YSJ)

On average, flying from Louisville to Saint John generates about 158 kg of CO2 per passenger, and 158 kilograms equals 349 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Louisville to Saint John

See the map of the shortest flight path between Louisville International Airport (SDF) and Saint John Airport (YSJ).

Airport information

Origin Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″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