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How far is Helena, MT, from Fort St.John?

The distance between Fort St.John (Fort St. John Airport) and Helena (Helena Regional Airport) is 765 miles / 1230 kilometers / 664 nautical miles.

The driving distance from Fort St.John (YXJ) to Helena (HLN) is 970 miles / 1561 kilometers, and travel time by car is about 18 hours 29 minutes.

Fort St. John Airport – Helena Regional Airport

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765
Miles
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1230
Kilometers
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664
Nautical miles

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Distance from Fort St.John to Helena

There are several ways to calculate the distance from Fort St.John to Helena. Here are two standard methods:

Vincenty's formula (applied above)
  • 764.507 miles
  • 1230.354 kilometers
  • 664.338 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
  • 763.609 miles
  • 1228.909 kilometers
  • 663.558 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 Fort St.John to Helena?

The estimated flight time from Fort St. John Airport to Helena Regional Airport is 1 hour and 56 minutes.

Flight carbon footprint between Fort St. John Airport (YXJ) and Helena Regional Airport (HLN)

On average, flying from Fort St.John to Helena generates about 131 kg of CO2 per passenger, and 131 kilograms equals 290 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Fort St.John to Helena

See the map of the shortest flight path between Fort St. John Airport (YXJ) and Helena Regional Airport (HLN).

Airport information

Origin Fort St. John Airport
City: Fort St.John
Country: Canada Flag of Canada
IATA Code: YXJ
ICAO Code: CYXJ
Coordinates: 56°14′17″N, 120°44′23″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