How far is Helena, MT, from Eastmain River?
The distance between Eastmain River (Eastmain River Airport) and Helena (Helena Regional Airport) is 1543 miles / 2483 kilometers / 1341 nautical miles.
The driving distance from Eastmain River (ZEM) to Helena (HLN) is 2264 miles / 3643 kilometers, and travel time by car is about 47 hours 27 minutes.
Eastmain River Airport – Helena Regional Airport
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Distance from Eastmain River to Helena
There are several ways to calculate the distance from Eastmain River to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1542.690 miles
- 2482.719 kilometers
- 1340.561 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- 1538.272 miles
- 2475.610 kilometers
- 1336.722 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 Eastmain River to Helena?
The estimated flight time from Eastmain River Airport to Helena Regional Airport is 3 hours and 25 minutes.
What is the time difference between Eastmain River and Helena?
Flight carbon footprint between Eastmain River Airport (ZEM) and Helena Regional Airport (HLN)
On average, flying from Eastmain River to Helena generates about 182 kg of CO2 per passenger, and 182 kilograms equals 402 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Eastmain River to Helena
See the map of the shortest flight path between Eastmain River Airport (ZEM) and Helena Regional Airport (HLN).
Airport information
| Origin | Eastmain River Airport |
|---|---|
| City: | Eastmain River |
| Country: | Canada  |
| IATA Code: | ZEM |
| ICAO Code: | CZEM |
| Coordinates: | 52°13′35″N, 78°31′20″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 |