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How far is Thunder Bay from Louisville, KY?

The distance between Louisville (Louisville International Airport) and Thunder Bay (Thunder Bay International Airport) is 727 miles / 1169 kilometers / 631 nautical miles.

The driving distance from Louisville (SDF) to Thunder Bay (YQT) is 959 miles / 1544 kilometers, and travel time by car is about 18 hours 51 minutes.

Louisville International Airport – Thunder Bay International Airport

Distance arrow
727
Miles
Distance arrow
1169
Kilometers
Distance arrow
631
Nautical miles

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Distance from Louisville to Thunder Bay

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

Vincenty's formula (applied above)
  • 726.637 miles
  • 1169.408 kilometers
  • 631.430 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
  • 727.111 miles
  • 1170.172 kilometers
  • 631.843 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 Thunder Bay?

The estimated flight time from Louisville International Airport to Thunder Bay International Airport is 1 hour and 52 minutes.

What is the time difference between Louisville and Thunder Bay?

There is no time difference between Louisville and Thunder Bay.

Flight carbon footprint between Louisville International Airport (SDF) and Thunder Bay International Airport (YQT)

On average, flying from Louisville to Thunder Bay generates about 127 kg of CO2 per passenger, and 127 kilograms equals 281 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 Thunder Bay

See the map of the shortest flight path between Louisville International Airport (SDF) and Thunder Bay International Airport (YQT).

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 Thunder Bay International Airport
City: Thunder Bay
Country: Canada Flag of Canada
IATA Code: YQT
ICAO Code: CYQT
Coordinates: 48°22′18″N, 89°19′26″W