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How far is Helena, MT, from Thunder Bay?

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

The driving distance from Thunder Bay (YQT) to Helena (HLN) is 1268 miles / 2041 kilometers, and travel time by car is about 23 hours 45 minutes.

Thunder Bay International Airport – Helena Regional 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 Thunder Bay to Helena

There are several ways to calculate the distance from Thunder Bay to Helena. 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 Thunder Bay to Helena?

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

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

On average, flying from Thunder Bay to Helena 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 Thunder Bay to Helena

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

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 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