How far is Unalaska, AK, from Fort Smith, AR?
The distance between Fort Smith (Fort Smith Regional Airport) and Unalaska (Unalaska Airport) is 3607 miles / 5805 kilometers / 3135 nautical miles.
Fort Smith Regional Airport – Unalaska Airport
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Distance from Fort Smith to Unalaska
There are several ways to calculate the distance from Fort Smith to Unalaska. Here are two standard methods:
Vincenty's formula (applied above)- 3607.281 miles
- 5805.357 kilometers
- 3134.642 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- 3598.975 miles
- 5791.989 kilometers
- 3127.424 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 Unalaska?
The estimated flight time from Fort Smith Regional Airport to Unalaska Airport is 7 hours and 19 minutes.
What is the time difference between Fort Smith and Unalaska?
Flight carbon footprint between Fort Smith Regional Airport (FSM) and Unalaska Airport (DUT)
On average, flying from Fort Smith to Unalaska generates about 408 kg of CO2 per passenger, and 408 kilograms equals 899 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Fort Smith to Unalaska
See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Unalaska Airport (DUT).
Airport information
| Origin | Fort Smith Regional Airport |
|---|---|
| City: | Fort Smith, AR |
| Country: | United States  |
| IATA Code: | FSM |
| ICAO Code: | KFSM |
| Coordinates: | 35°20′11″N, 94°22′2″W |
| Destination | Unalaska Airport |
|---|---|
| City: | Unalaska, AK |
| Country: | United States |
| IATA Code: | DUT |
| ICAO Code: | PADU |
| Coordinates: | 53°54′0″N, 166°32′38″W |