Air Miles Calculator

Distance between Washington D.C. (DCA) and Fort Smith, AR (FSM)

Distance from Washington D.C. to Fort Smith (Ronald Reagan Washington National Airport – Fort Smith Regional Airport) is 986 miles / 1587 kilometers / 857 nautical miles.

How far is Fort Smith from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Fort Smith. Here are two common methods:

Vincenty's formula (applied above)
  • 985.837 miles
  • 1586.550 kilometers
  • 856.669 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
  • 983.791 miles
  • 1583.258 kilometers
  • 854.891 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).

Flight duration

Estimated flight time from Ronald Reagan Washington National Airport (DCA) to Fort Smith Regional Airport (FSM) is 2 hours 21 minutes.

Time difference and current local times

The time difference between Washington D.C. and Fort Smith is 1 hour. Fort Smith is 1 hour behind Washington D.C..

Time Difference

Washington D.C.
Fort Smith

Washington D.C.

 EDT

Fort Smith, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 150 kg (330 pounds).

Airport information


A Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″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

Washington D.C. to Fort Smith flight path

Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Fort Smith Regional Airport (FSM).

Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Fort Smith (FSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
986
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
986

Round trip?