How far is Cheyenne, WY, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Cheyenne (Cheyenne Regional Airport) is 519 miles / 835 kilometers / 451 nautical miles.
The driving distance from Helena (HLN) to Cheyenne (CYS) is 693 miles / 1116 kilometers, and travel time by car is about 12 hours 0 minutes.
Helena Regional Airport – Cheyenne Regional Airport
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Distance from Helena to Cheyenne
There are several ways to calculate the distance from Helena to Cheyenne. Here are two standard methods:
Vincenty's formula (applied above)- 519.062 miles
- 835.350 kilometers
- 451.053 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- 518.602 miles
- 834.609 kilometers
- 450.653 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 Cheyenne?
The estimated flight time from Helena Regional Airport to Cheyenne Regional Airport is 1 hour and 28 minutes.
What is the time difference between Helena and Cheyenne?
Flight carbon footprint between Helena Regional Airport (HLN) and Cheyenne Regional Airport (CYS)
On average, flying from Helena to Cheyenne generates about 101 kg of CO2 per passenger, and 101 kilograms equals 224 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 Cheyenne
See the map of the shortest flight path between Helena Regional Airport (HLN) and Cheyenne Regional Airport (CYS).
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 | Cheyenne Regional Airport |
|---|---|
| City: | Cheyenne, WY |
| Country: | United States |
| IATA Code: | CYS |
| ICAO Code: | KCYS |
| Coordinates: | 41°9′20″N, 104°48′43″W |