How far is Helena, MT, from Fort Severn?
The distance between Fort Severn (Fort Severn Airport) and Helena (Helena Regional Airport) is 1228 miles / 1976 kilometers / 1067 nautical miles.
The driving distance from Fort Severn (YER) to Helena (HLN) is 1675 miles / 2695 kilometers, and travel time by car is about 51 hours 1 minutes.
Fort Severn Airport – Helena Regional Airport
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Distance from Fort Severn to Helena
There are several ways to calculate the distance from Fort Severn to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1228.022 miles
- 1976.310 kilometers
- 1067.122 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- 1225.062 miles
- 1971.547 kilometers
- 1064.550 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 Severn to Helena?
The estimated flight time from Fort Severn Airport to Helena Regional Airport is 2 hours and 49 minutes.
What is the time difference between Fort Severn and Helena?
The time difference between Fort Severn and Helena is 2 hours. Helena is 2 hours behind Fort Severn.
Flight carbon footprint between Fort Severn Airport (YER) and Helena Regional Airport (HLN)
On average, flying from Fort Severn to Helena generates about 163 kg of CO2 per passenger, and 163 kilograms equals 358 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 Severn to Helena
See the map of the shortest flight path between Fort Severn Airport (YER) and Helena Regional Airport (HLN).
Airport information
| Origin | Fort Severn Airport |
|---|---|
| City: | Fort Severn |
| Country: | Canada  |
| IATA Code: | YER |
| ICAO Code: | CYER |
| Coordinates: | 56°1′8″N, 87°40′33″W |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |