How far is Helena, MT, from Port Angeles, WA?
The distance between Port Angeles (William R. Fairchild International Airport) and Helena (Helena Regional Airport) is 550 miles / 885 kilometers / 478 nautical miles.
The driving distance from Port Angeles (CLM) to Helena (HLN) is 679 miles / 1092 kilometers, and travel time by car is about 13 hours 14 minutes.
William R. Fairchild International Airport – Helena Regional Airport
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Distance from Port Angeles to Helena
There are several ways to calculate the distance from Port Angeles to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 550.042 miles
- 885.207 kilometers
- 477.974 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- 548.493 miles
- 882.714 kilometers
- 476.627 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 Port Angeles to Helena?
The estimated flight time from William R. Fairchild International Airport to Helena Regional Airport is 1 hour and 32 minutes.
What is the time difference between Port Angeles and Helena?
Flight carbon footprint between William R. Fairchild International Airport (CLM) and Helena Regional Airport (HLN)
On average, flying from Port Angeles to Helena generates about 106 kg of CO2 per passenger, and 106 kilograms equals 234 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Port Angeles to Helena
See the map of the shortest flight path between William R. Fairchild International Airport (CLM) and Helena Regional Airport (HLN).
Airport information
| Origin | William R. Fairchild International Airport |
|---|---|
| City: | Port Angeles, WA |
| Country: | United States  |
| IATA Code: | CLM |
| ICAO Code: | KCLM |
| Coordinates: | 48°7′12″N, 123°30′0″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 |