How far is Helena, MT, from Grand Canyon, AZ?
The distance between Grand Canyon (Grand Canyon National Park Airport) and Helena (Helena Regional Airport) is 735 miles / 1183 kilometers / 639 nautical miles.
The driving distance from Grand Canyon (GCN) to Helena (HLN) is 1010 miles / 1626 kilometers, and travel time by car is about 18 hours 6 minutes.
Grand Canyon National Park Airport – Helena Regional Airport
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Distance from Grand Canyon to Helena
There are several ways to calculate the distance from Grand Canyon to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 735.302 miles
- 1183.354 kilometers
- 638.960 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- 736.198 miles
- 1184.795 kilometers
- 639.738 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 Grand Canyon to Helena?
The estimated flight time from Grand Canyon National Park Airport to Helena Regional Airport is 1 hour and 53 minutes.
What is the time difference between Grand Canyon and Helena?
Flight carbon footprint between Grand Canyon National Park Airport (GCN) and Helena Regional Airport (HLN)
On average, flying from Grand Canyon to Helena generates about 128 kg of CO2 per passenger, and 128 kilograms equals 283 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Grand Canyon to Helena
See the map of the shortest flight path between Grand Canyon National Park Airport (GCN) and Helena Regional Airport (HLN).
Airport information
| Origin | Grand Canyon National Park Airport |
|---|---|
| City: | Grand Canyon, AZ |
| Country: | United States  |
| IATA Code: | GCN |
| ICAO Code: | KGCN |
| Coordinates: | 35°57′8″N, 112°8′49″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 |