Air Miles Calculator

Distance between Alamosa, CO (ALS) and Fort Smith, AR (FSM)

Distance from Alamosa to Fort Smith (Fort Smith Regional Airport – San Luis Valley Regional Airport) is 657 miles / 1057 kilometers / 571 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 656.774 miles
  • 1056.975 kilometers
  • 570.721 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 655.406 miles
  • 1054.774 kilometers
  • 569.532 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from San Luis Valley Regional Airport (ALS) to Fort Smith Regional Airport (FSM) is 1 hour 44 minutes.

Time difference and current local times

The time difference between Alamosa and Fort Smith is 1 hour. Fort Smith is 1 hour ahead of Alamosa.

Time Difference

Alamosa
Fort Smith

Alamosa, CO

 MDT

Fort Smith, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 108 kg (238 pounds).

Airport information


A San Luis Valley Regional Airport
City: Alamosa, CO
Country: United States Flag of United States
IATA Code: ALS
ICAO Code: KALS
Coordinates: 37°26′5″N, 105°52′1″W

B 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

Map

Alamosa to Fort Smith flight map.

Frequent Flyer Miles Calculator

Alamosa (ALS) → Fort Smith (FSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
657
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
657

Round trip?