How far is Great Falls, MT, from Ketchikan, AK?
The distance between Ketchikan (Ketchikan International Airport) and Great Falls (Great Falls International Airport) is 1028 miles / 1655 kilometers / 894 nautical miles.
The driving distance from Ketchikan (KTN) to Great Falls (GTF) is 1363 miles / 2194 kilometers, and travel time by car is about 32 hours 40 minutes.
Ketchikan International Airport – Great Falls International Airport
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Distance from Ketchikan to Great Falls
There are several ways to calculate the distance from Ketchikan to Great Falls. 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 Ketchikan to Great Falls?
The estimated flight time from Ketchikan International Airport to Great Falls International Airport is 2 hours and 26 minutes.
What is the time difference between Ketchikan and Great Falls?
Flight carbon footprint between Ketchikan International Airport (KTN) and Great Falls International Airport (GTF)
On average, flying from Ketchikan to Great Falls 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 Ketchikan to Great Falls
See the map of the shortest flight path between Ketchikan International Airport (KTN) and Great Falls International Airport (GTF).
Airport information
| Origin | Ketchikan International Airport |
|---|---|
| City: | Ketchikan, AK |
| Country: | United States  |
| IATA Code: | KTN |
| ICAO Code: | PAKT |
| Coordinates: | 55°21′19″N, 131°42′38″W |
| Destination | 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 |