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How far is Adak Island, AK, from Fort Smith, AR?

The distance between Fort Smith (Fort Smith Regional Airport) and Adak Island (Adak Airport) is 4051 miles / 6519 kilometers / 3520 nautical miles.

Fort Smith Regional Airport – Adak Airport

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4051
Miles
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6519
Kilometers
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3520
Nautical miles

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Distance from Fort Smith to Adak Island

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

Vincenty's formula (applied above)
  • 4050.851 miles
  • 6519.213 kilometers
  • 3520.093 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
  • 4041.160 miles
  • 6503.616 kilometers
  • 3511.672 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 Adak Island?

The estimated flight time from Fort Smith Regional Airport to Adak Airport is 8 hours and 10 minutes.

Flight carbon footprint between Fort Smith Regional Airport (FSM) and Adak Airport (ADK)

On average, flying from Fort Smith to Adak Island generates about 463 kg of CO2 per passenger, and 463 kilograms equals 1 020 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Fort Smith to Adak Island

See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Adak Airport (ADK).

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 Adak Airport
City: Adak Island, AK
Country: United States Flag of United States
IATA Code: ADK
ICAO Code: PADK
Coordinates: 51°52′40″N, 176°38′45″W