How far is Alpena, MI, from Ketchikan, AK?
The distance between Ketchikan (Ketchikan International Airport) and Alpena (Alpena County Regional Airport) is 2200 miles / 3540 kilometers / 1912 nautical miles.
The driving distance from Ketchikan (KTN) to Alpena (APN) is 2732 miles / 4396 kilometers, and travel time by car is about 59 hours 58 minutes.
Ketchikan International Airport – Alpena County Regional Airport
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Distance from Ketchikan to Alpena
There are several ways to calculate the distance from Ketchikan to Alpena. Here are two standard methods:
Vincenty's formula (applied above)- 2199.869 miles
- 3540.345 kilometers
- 1911.634 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- 2193.723 miles
- 3530.454 kilometers
- 1906.293 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 Alpena?
The estimated flight time from Ketchikan International Airport to Alpena County Regional Airport is 4 hours and 39 minutes.
What is the time difference between Ketchikan and Alpena?
The time difference between Ketchikan and Alpena is 4 hours. Alpena is 4 hours ahead of Ketchikan.
Flight carbon footprint between Ketchikan International Airport (KTN) and Alpena County Regional Airport (APN)
On average, flying from Ketchikan to Alpena generates about 240 kg of CO2 per passenger, and 240 kilograms equals 530 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 Alpena
See the map of the shortest flight path between Ketchikan International Airport (KTN) and Alpena County Regional Airport (APN).
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 | Alpena County Regional Airport |
|---|---|
| City: | Alpena, MI |
| Country: | United States |
| IATA Code: | APN |
| ICAO Code: | KAPN |
| Coordinates: | 45°4′41″N, 83°33′37″W |