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How far is Ketchikan, AK, from Fort Smith, AR?

The distance between Fort Smith (Fort Smith Regional Airport) and Ketchikan (Ketchikan International Airport) is 2241 miles / 3606 kilometers / 1947 nautical miles.

The driving distance from Fort Smith (FSM) to Ketchikan (KTN) is 2934 miles / 4722 kilometers, and travel time by car is about 60 hours 1 minutes.

Fort Smith Regional Airport – Ketchikan International Airport

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2241
Miles
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3606
Kilometers
Distance arrow
1947
Nautical miles

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Distance from Fort Smith to Ketchikan

There are several ways to calculate the distance from Fort Smith to Ketchikan. Here are two standard methods:

Vincenty's formula (applied above)
  • 2240.627 miles
  • 3605.940 kilometers
  • 1947.052 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
  • 2237.214 miles
  • 3600.447 kilometers
  • 1944.086 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 Fort Smith to Ketchikan?

The estimated flight time from Fort Smith Regional Airport to Ketchikan International Airport is 4 hours and 44 minutes.

Flight carbon footprint between Fort Smith Regional Airport (FSM) and Ketchikan International Airport (KTN)

On average, flying from Fort Smith to Ketchikan generates about 245 kg of CO2 per passenger, and 245 kilograms equals 540 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Fort Smith to Ketchikan

See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Ketchikan International Airport (KTN).

Airport information

Origin Fort Smith Regional Airport
City: Fort Smith, AR
Country: United States Flag of United States
IATA Code: FSM
ICAO Code: KFSM
Coordinates: 35°20′11″N, 94°22′2″W
Destination Ketchikan International Airport
City: Ketchikan, AK
Country: United States Flag of United States
IATA Code: KTN
ICAO Code: PAKT
Coordinates: 55°21′19″N, 131°42′38″W