How far is St. Lewis from Helena, MT?
The distance between Helena (Helena Regional Airport) and St. Lewis (St. Lewis (Fox Harbour) Airport) is 2500 miles / 4024 kilometers / 2173 nautical miles.
The driving distance from Helena (HLN) to St. Lewis (YFX) is 3587 miles / 5772 kilometers, and travel time by car is about 75 hours 0 minutes.
Helena Regional Airport – St. Lewis (Fox Harbour) Airport
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Distance from Helena to St. Lewis
There are several ways to calculate the distance from Helena to St. Lewis. 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 Helena to St. Lewis?
The estimated flight time from Helena Regional Airport to St. Lewis (Fox Harbour) Airport is 5 hours and 14 minutes.
What is the time difference between Helena and St. Lewis?
Flight carbon footprint between Helena Regional Airport (HLN) and St. Lewis (Fox Harbour) Airport (YFX)
On average, flying from Helena to St. Lewis 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 Helena to St. Lewis
See the map of the shortest flight path between Helena Regional Airport (HLN) and St. Lewis (Fox Harbour) Airport (YFX).
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 | 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 |