How far is Ketchikan, AK, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Ketchikan (Ketchikan International Airport) is 1028 miles / 1655 kilometers / 894 nautical miles.
The driving distance from Great Falls (GTF) to Ketchikan (KTN) is 1364 miles / 2195 kilometers, and travel time by car is about 32 hours 41 minutes.
Great Falls International Airport – Ketchikan International Airport
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Distance from Great Falls to Ketchikan
There are several ways to calculate the distance from Great Falls to Ketchikan. Here are two standard methods:
Vincenty's formula (applied above)- 1028.248 miles
- 1654.804 kilometers
- 893.523 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- 1025.756 miles
- 1650.794 kilometers
- 891.357 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 Ketchikan?
The estimated flight time from Great Falls International Airport to Ketchikan International Airport is 2 hours and 26 minutes.
What is the time difference between Great Falls and Ketchikan?
Flight carbon footprint between Great Falls International Airport (GTF) and Ketchikan International Airport (KTN)
On average, flying from Great Falls to Ketchikan generates about 153 kg of CO2 per passenger, and 153 kilograms equals 336 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 Ketchikan
See the map of the shortest flight path between Great Falls International Airport (GTF) and Ketchikan International Airport (KTN).
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 | Ketchikan International Airport |
|---|---|
| City: | Ketchikan, AK |
| Country: | United States |
| IATA Code: | KTN |
| ICAO Code: | PAKT |
| Coordinates: | 55°21′19″N, 131°42′38″W |