How far is Fort St.John from Helena, MT?
The distance between Helena (Helena Regional Airport) and Fort St.John (Fort St. John Airport) is 765 miles / 1230 kilometers / 664 nautical miles.
The driving distance from Helena (HLN) to Fort St.John (YXJ) is 964 miles / 1551 kilometers, and travel time by car is about 18 hours 21 minutes.
Helena Regional Airport – Fort St. John Airport
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Distance from Helena to Fort St.John
There are several ways to calculate the distance from Helena to Fort St.John. 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 Helena to Fort St.John?
The estimated flight time from Helena Regional Airport to Fort St. John Airport is 1 hour and 56 minutes.
What is the time difference between Helena and Fort St.John?
The time difference between Helena and Fort St.John is 1 hour. Fort St.John is 1 hour behind Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Fort St. John Airport (YXJ)
On average, flying from Helena to Fort St.John 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 Helena to Fort St.John
See the map of the shortest flight path between Helena Regional Airport (HLN) and Fort St. John Airport (YXJ).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | Fort St. John Airport |
|---|---|
| City: | Fort St.John |
| Country: | Canada  |
| IATA Code: | YXJ |
| ICAO Code: | CYXJ |
| Coordinates: | 56°14′17″N, 120°44′23″W |