How far is Fort Smith, AR, from Unalaska, AK?
The distance between Unalaska (Unalaska Airport) and Fort Smith (Fort Smith Regional Airport) is 3607 miles / 5805 kilometers / 3135 nautical miles.
Unalaska Airport – Fort Smith Regional Airport
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Distance from Unalaska to Fort Smith
There are several ways to calculate the distance from Unalaska to Fort Smith. 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 Unalaska to Fort Smith?
The estimated flight time from Unalaska Airport to Fort Smith Regional Airport is 7 hours and 19 minutes.
What is the time difference between Unalaska and Fort Smith?
Flight carbon footprint between Unalaska Airport (DUT) and Fort Smith Regional Airport (FSM)
On average, flying from Unalaska to Fort Smith 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 Unalaska to Fort Smith
See the map of the shortest flight path between Unalaska Airport (DUT) and Fort Smith Regional Airport (FSM).
Airport information
| Origin | Unalaska Airport |
|---|---|
| City: | Unalaska, AK |
| Country: | United States  |
| IATA Code: | DUT |
| ICAO Code: | PADU |
| Coordinates: | 53°54′0″N, 166°32′38″W |
| Destination | 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 |