How far is Helena, MT, from Clermont-Ferrand?
The distance between Clermont-Ferrand (Clermont-Ferrand Auvergne Airport) and Helena (Helena Regional Airport) is 4954 miles / 7973 kilometers / 4305 nautical miles.
Clermont-Ferrand Auvergne Airport – Helena Regional Airport
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Distance from Clermont-Ferrand to Helena
There are several ways to calculate the distance from Clermont-Ferrand to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 4954.478 miles
- 7973.460 kilometers
- 4305.324 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- 4940.555 miles
- 7951.052 kilometers
- 4293.225 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 Clermont-Ferrand to Helena?
The estimated flight time from Clermont-Ferrand Auvergne Airport to Helena Regional Airport is 9 hours and 52 minutes.
What is the time difference between Clermont-Ferrand and Helena?
Flight carbon footprint between Clermont-Ferrand Auvergne Airport (CFE) and Helena Regional Airport (HLN)
On average, flying from Clermont-Ferrand to Helena generates about 578 kg of CO2 per passenger, and 578 kilograms equals 1 274 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Clermont-Ferrand to Helena
See the map of the shortest flight path between Clermont-Ferrand Auvergne Airport (CFE) and Helena Regional Airport (HLN).
Airport information
| Origin | Clermont-Ferrand Auvergne Airport |
|---|---|
| City: | Clermont-Ferrand |
| Country: | France  |
| IATA Code: | CFE |
| ICAO Code: | LFLC |
| Coordinates: | 45°47′12″N, 3°10′9″E |
| 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 |