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How far is Alpena, MI, from Fort Smith, AR?

The distance between Fort Smith (Fort Smith Regional Airport) and Alpena (Alpena County Regional Airport) is 881 miles / 1417 kilometers / 765 nautical miles.

The driving distance from Fort Smith (FSM) to Alpena (APN) is 1108 miles / 1783 kilometers, and travel time by car is about 20 hours 47 minutes.

Fort Smith Regional Airport – Alpena County Regional Airport

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881
Miles
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1417
Kilometers
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765
Nautical miles

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Distance from Fort Smith to Alpena

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

Vincenty's formula (applied above)
  • 880.745 miles
  • 1417.421 kilometers
  • 765.346 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
  • 880.545 miles
  • 1417.100 kilometers
  • 765.173 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 Alpena?

The estimated flight time from Fort Smith Regional Airport to Alpena County Regional Airport is 2 hours and 10 minutes.

Flight carbon footprint between Fort Smith Regional Airport (FSM) and Alpena County Regional Airport (APN)

On average, flying from Fort Smith to Alpena generates about 142 kg of CO2 per passenger, and 142 kilograms equals 313 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 Alpena

See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Alpena County Regional Airport (APN).

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 Alpena County Regional Airport
City: Alpena, MI
Country: United States Flag of United States
IATA Code: APN
ICAO Code: KAPN
Coordinates: 45°4′41″N, 83°33′37″W