How far is Washington D.C. from Fort Smith, AR?
The distance between Fort Smith (Fort Smith Regional Airport) and Washington D.C. (Washington Dulles International Airport) is 965 miles / 1552 kilometers / 838 nautical miles.
The driving distance from Fort Smith (FSM) to Washington D.C. (IAD) is 1152 miles / 1854 kilometers, and travel time by car is about 20 hours 53 minutes.
Fort Smith Regional Airport – Washington Dulles International Airport
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Distance from Fort Smith to Washington D.C.
There are several ways to calculate the distance from Fort Smith to Washington D.C.. Here are two standard methods:
Vincenty's formula (applied above)- 964.619 miles
- 1552.404 kilometers
- 838.231 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- 962.640 miles
- 1549.219 kilometers
- 836.511 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 Fort Smith to Washington D.C.?
The estimated flight time from Fort Smith Regional Airport to Washington Dulles International Airport is 2 hours and 19 minutes.
What is the time difference between Fort Smith and Washington D.C.?
Flight carbon footprint between Fort Smith Regional Airport (FSM) and Washington Dulles International Airport (IAD)
On average, flying from Fort Smith to Washington D.C. generates about 148 kg of CO2 per passenger, and 148 kilograms equals 327 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Fort Smith to Washington D.C.
See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Washington Dulles International Airport (IAD).
Airport information
| Origin | 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 |
| Destination | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |