Air Miles Calculator

Distance between Colorado Springs, CO (COS) and Fort Smith, AR (FSM)

Flight distance from Colorado Springs to Fort Smith (Colorado Springs Airport – Fort Smith Regional Airport) is 619 miles / 996 kilometers / 538 nautical miles. Estimated flight time is 1 hour 40 minutes.

Driving distance from Colorado Springs (COS) to Fort Smith (FSM) is 800 miles / 1288 kilometers and travel time by car is about 13 hours 33 minutes.

Map of flight path and driving directions from Colorado Springs to Fort Smith.

Shortest flight path between Colorado Springs Airport (COS) and Fort Smith Regional Airport (FSM).

How far is Fort Smith from Colorado Springs?

There are several ways to calculate distances between Colorado Springs and Fort Smith. Here are two common methods:

Vincenty's formula (applied above)
  • 618.622 miles
  • 995.576 kilometers
  • 537.568 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
  • 617.575 miles
  • 993.891 kilometers
  • 536.658 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).

Airport information


A Colorado Springs Airport
City: Colorado Springs, CO
Country: United States Flag of United States
IATA Code: COS
ICAO Code: KCOS
Coordinates: 38°48′20″N, 104°42′3″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

Time difference and current local times

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

Time Difference

Colorado Springs, CO

 MST

Fort Smith, AR

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 115 kg (254 pounds).

Frequent Flyer Miles Calculator

Colorado Springs (COS) → Fort Smith (FSM).

Distance:
619
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
619

Round trip?