How far is Helena, MT, from St. Lewis?
The distance between St. Lewis (St. Lewis (Fox Harbour) Airport) and Helena (Helena Regional Airport) is 2500 miles / 4024 kilometers / 2173 nautical miles.
The driving distance from St. Lewis (YFX) to Helena (HLN) is 3582 miles / 5764 kilometers, and travel time by car is about 74 hours 55 minutes.
St. Lewis (Fox Harbour) Airport – Helena Regional Airport
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Distance from St. Lewis to Helena
There are several ways to calculate the distance from St. Lewis to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 2500.471 miles
- 4024.118 kilometers
- 2172.850 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- 2493.035 miles
- 4012.151 kilometers
- 2166.388 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 St. Lewis to Helena?
The estimated flight time from St. Lewis (Fox Harbour) Airport to Helena Regional Airport is 5 hours and 14 minutes.
What is the time difference between St. Lewis and Helena?
Flight carbon footprint between St. Lewis (Fox Harbour) Airport (YFX) and Helena Regional Airport (HLN)
On average, flying from St. Lewis to Helena generates about 275 kg of CO2 per passenger, and 275 kilograms equals 607 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from St. Lewis to Helena
See the map of the shortest flight path between St. Lewis (Fox Harbour) Airport (YFX) and Helena Regional Airport (HLN).
Airport information
| Origin | St. Lewis (Fox Harbour) Airport |
|---|---|
| City: | St. Lewis |
| Country: | Canada  |
| IATA Code: | YFX |
| ICAO Code: | CCK4 |
| Coordinates: | 52°22′22″N, 55°40′26″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 |