How far is Helena, MT, from Friday Harbor, WA?
The distance between Friday Harbor (Friday Harbor Airport) and Helena (Helena Regional Airport) is 532 miles / 857 kilometers / 463 nautical miles.
The driving distance from Friday Harbor (FRD) to Helena (HLN) is 686 miles / 1104 kilometers, and travel time by car is about 13 hours 30 minutes.
Friday Harbor Airport – Helena Regional Airport
Search flights
Distance from Friday Harbor to Helena
There are several ways to calculate the distance from Friday Harbor to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 532.423 miles
- 856.851 kilometers
- 462.663 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- 530.958 miles
- 854.494 kilometers
- 461.390 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 Friday Harbor to Helena?
The estimated flight time from Friday Harbor Airport to Helena Regional Airport is 1 hour and 30 minutes.
What is the time difference between Friday Harbor and Helena?
Flight carbon footprint between Friday Harbor Airport (FRD) and Helena Regional Airport (HLN)
On average, flying from Friday Harbor to Helena generates about 103 kg of CO2 per passenger, and 103 kilograms equals 228 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Friday Harbor to Helena
See the map of the shortest flight path between Friday Harbor Airport (FRD) and Helena Regional Airport (HLN).
Airport information
| Origin | Friday Harbor Airport |
|---|---|
| City: | Friday Harbor, WA |
| Country: | United States  |
| IATA Code: | FRD |
| ICAO Code: | KFHR |
| Coordinates: | 48°31′19″N, 123°1′26″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 |