How far is Friday Harbor, WA, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Friday Harbor (Friday Harbor Airport) is 545 miles / 876 kilometers / 473 nautical miles.
The driving distance from Great Falls (GTF) to Friday Harbor (FRD) is 741 miles / 1192 kilometers, and travel time by car is about 15 hours 0 minutes.
Great Falls International Airport – Friday Harbor Airport
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Distance from Great Falls to Friday Harbor
There are several ways to calculate the distance from Great Falls to Friday Harbor. Here are two standard methods:
Vincenty's formula (applied above)- 544.541 miles
- 876.353 kilometers
- 473.193 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- 542.954 miles
- 873.800 kilometers
- 471.814 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 Great Falls to Friday Harbor?
The estimated flight time from Great Falls International Airport to Friday Harbor Airport is 1 hour and 31 minutes.
What is the time difference between Great Falls and Friday Harbor?
Flight carbon footprint between Great Falls International Airport (GTF) and Friday Harbor Airport (FRD)
On average, flying from Great Falls to Friday Harbor generates about 105 kg of CO2 per passenger, and 105 kilograms equals 232 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Great Falls to Friday Harbor
See the map of the shortest flight path between Great Falls International Airport (GTF) and Friday Harbor Airport (FRD).
Airport information
| Origin | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States  |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |
| Destination | 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 |