How far is Ketchikan, AK, from Alpena, MI?

The distance between Alpena (Alpena County Regional Airport) and Ketchikan (Ketchikan International Airport) is 2200 miles / 3540 kilometers / 1912 nautical miles.

The driving distance from Alpena (APN) to Ketchikan (KTN) is 2732 miles / 4397 kilometers, and travel time by car is about 60 hours 2 minutes.

Distance from Alpena to Ketchikan

There are several ways to calculate the distance from Alpena to Ketchikan. 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 Alpena to Ketchikan?

The estimated flight time from Alpena County Regional Airport to Ketchikan International Airport is 4 hours and 39 minutes.

What is the time difference between Alpena and Ketchikan?

The time difference between Alpena and Ketchikan is 4 hours. Ketchikan is 4 hours behind Alpena.

Flight carbon footprint between Alpena County Regional Airport (APN) and Ketchikan International Airport (KTN)

On average, flying from Alpena to Ketchikan 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 Alpena to Ketchikan

See the map of the shortest flight path between Alpena County Regional Airport (APN) and Ketchikan International Airport (KTN).

Airport information

Origin	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

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