How far is Helena, MT, from Swan River?
The distance between Swan River (Swan River Airport) and Helena (Helena Regional Airport) is 616 miles / 991 kilometers / 535 nautical miles.
The driving distance from Swan River (ZJN) to Helena (HLN) is 849 miles / 1367 kilometers, and travel time by car is about 16 hours 17 minutes.
Swan River Airport – Helena Regional Airport
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Distance from Swan River to Helena
There are several ways to calculate the distance from Swan River to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 615.759 miles
- 990.969 kilometers
- 535.080 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- 614.559 miles
- 989.036 kilometers
- 534.037 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 Swan River to Helena?
The estimated flight time from Swan River Airport to Helena Regional Airport is 1 hour and 39 minutes.
What is the time difference between Swan River and Helena?
The time difference between Swan River and Helena is 1 hour. Helena is 1 hour behind Swan River.
Flight carbon footprint between Swan River Airport (ZJN) and Helena Regional Airport (HLN)
On average, flying from Swan River to Helena generates about 115 kg of CO2 per passenger, and 115 kilograms equals 253 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Swan River to Helena
See the map of the shortest flight path between Swan River Airport (ZJN) and Helena Regional Airport (HLN).
Airport information
| Origin | Swan River Airport |
|---|---|
| City: | Swan River |
| Country: | Canada  |
| IATA Code: | ZJN |
| ICAO Code: | CZJN |
| Coordinates: | 52°7′14″N, 101°14′9″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 |