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How far is Great Falls, MT, from Thunder Bay?

The distance between Thunder Bay (Thunder Bay International Airport) and Great Falls (Great Falls International Airport) is 1022 miles / 1645 kilometers / 888 nautical miles.

The driving distance from Thunder Bay (YQT) to Great Falls (GTF) is 1187 miles / 1911 kilometers, and travel time by car is about 22 hours 46 minutes.

Thunder Bay International Airport – Great Falls International Airport

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1022
Miles
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1645
Kilometers
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888
Nautical miles

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Distance from Thunder Bay to Great Falls

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

Vincenty's formula (applied above)
  • 1022.070 miles
  • 1644.863 kilometers
  • 888.155 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
  • 1019.055 miles
  • 1640.010 kilometers
  • 885.534 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 Thunder Bay to Great Falls?

The estimated flight time from Thunder Bay International Airport to Great Falls International Airport is 2 hours and 26 minutes.

Flight carbon footprint between Thunder Bay International Airport (YQT) and Great Falls International Airport (GTF)

On average, flying from Thunder Bay to Great Falls generates about 152 kg of CO2 per passenger, and 152 kilograms equals 336 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Thunder Bay to Great Falls

See the map of the shortest flight path between Thunder Bay International Airport (YQT) and Great Falls International Airport (GTF).

Airport information

Origin 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
Destination Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W