Distance between Oklahoma City, OK (OKC) and Fort Smith, AR (FSM)
Flight distance from Oklahoma City to Fort Smith (Will Rogers World Airport – Fort Smith Regional Airport) is 183 miles / 294 kilometers / 159 nautical miles. Estimated flight time is 50 minutes.
Driving distance from Oklahoma City (OKC) to Fort Smith (FSM) is 198 miles / 319 kilometers and travel time by car is about 4 hours 10 minutes.
Calculate Distance
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Multiple airports
Oklahoma City - Fort Smith
Map of flight path and driving directions from Oklahoma City to Fort Smith.
Shortest flight path between Will Rogers World Airport (OKC) and Fort Smith Regional Airport (FSM).
How far is Fort Smith from Oklahoma City?
There are several ways to calculate distances between Oklahoma City and Fort Smith. Here are two common methods:
Vincenty's formula (applied above)- 182.621 miles
- 293.900 kilometers
- 158.693 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- 182.212 miles
- 293.242 kilometers
- 158.338 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 | Will Rogers World Airport |
|---|---|
| City: | Oklahoma City, OK |
| Country: | United States  |
| IATA Code: | OKC |
| ICAO Code: | KOKC |
| Coordinates: | 35°23′35″N, 97°36′2″W |
| B | 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 |
Time difference and current local times
There is no time difference between Oklahoma City and Fort Smith.
Time Difference
Oklahoma City, OK
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 52 kg (114 pounds).
Frequent Flyer Miles Calculator
Oklahoma City (OKC) → Fort Smith (FSM).
In total
Round trip?