How far is Helena, MT, from Lyon?
The distance between Lyon (Lyon–Saint-Exupéry Airport) and Helena (Helena Regional Airport) is 5018 miles / 8076 kilometers / 4360 nautical miles.
Lyon–Saint-Exupéry Airport – Helena Regional Airport
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Distance from Lyon to Helena
There are several ways to calculate the distance from Lyon to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 5017.900 miles
- 8075.527 kilometers
- 4360.436 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- 5003.823 miles
- 8052.872 kilometers
- 4348.203 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 Lyon to Helena?
The estimated flight time from Lyon–Saint-Exupéry Airport to Helena Regional Airport is 10 hours and 0 minutes.
What is the time difference between Lyon and Helena?
The time difference between Lyon and Helena is 8 hours. Helena is 8 hours behind Lyon.
Flight carbon footprint between Lyon–Saint-Exupéry Airport (LYS) and Helena Regional Airport (HLN)
On average, flying from Lyon to Helena generates about 586 kg of CO2 per passenger, and 586 kilograms equals 1 292 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Lyon to Helena
See the map of the shortest flight path between Lyon–Saint-Exupéry Airport (LYS) and Helena Regional Airport (HLN).
Airport information
| Origin | Lyon–Saint-Exupéry Airport |
|---|---|
| City: | Lyon |
| Country: | France  |
| IATA Code: | LYS |
| ICAO Code: | LFLL |
| Coordinates: | 45°43′35″N, 5°5′26″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 |