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How far is Thunder Bay from Helena, MT?

The distance between Helena (Helena Regional Airport) and Thunder Bay (Thunder Bay International Airport) is 1064 miles / 1712 kilometers / 925 nautical miles.

The driving distance from Helena (HLN) to Thunder Bay (YQT) is 1268 miles / 2041 kilometers, and travel time by car is about 23 hours 39 minutes.

Helena Regional Airport – Thunder Bay International Airport

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1064
Miles
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1712
Kilometers
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925
Nautical miles

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Distance from Helena to Thunder Bay

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

Vincenty's formula (applied above)
  • 1064.068 miles
  • 1712.451 kilometers
  • 924.650 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
  • 1060.987 miles
  • 1707.493 kilometers
  • 921.973 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 Helena to Thunder Bay?

The estimated flight time from Helena Regional Airport to Thunder Bay International Airport is 2 hours and 30 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Thunder Bay International Airport (YQT)

On average, flying from Helena to Thunder Bay generates about 155 kg of CO2 per passenger, and 155 kilograms equals 341 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Helena to Thunder Bay

See the map of the shortest flight path between Helena Regional Airport (HLN) and Thunder Bay International Airport (YQT).

Airport information

Origin Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″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