How far is Fort Smith, AR, from Denver, CO?
The distance between Denver (Denver International Airport) and Fort Smith (Fort Smith Regional Airport) is 645 miles / 1038 kilometers / 561 nautical miles.
The driving distance from Denver (DEN) to Fort Smith (FSM) is 809 miles / 1302 kilometers, and travel time by car is about 13 hours 59 minutes.
Denver International Airport – Fort Smith Regional Airport
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Distance from Denver to Fort Smith
There are several ways to calculate the distance from Denver to Fort Smith. Here are two standard methods:
Vincenty's formula (applied above)- 645.281 miles
- 1038.479 kilometers
- 560.734 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- 644.394 miles
- 1037.052 kilometers
- 559.963 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 Denver to Fort Smith?
The estimated flight time from Denver International Airport to Fort Smith Regional Airport is 1 hour and 43 minutes.
What is the time difference between Denver and Fort Smith?
The time difference between Denver and Fort Smith is 1 hour. Fort Smith is 1 hour ahead of Denver.
Flight carbon footprint between Denver International Airport (DEN) and Fort Smith Regional Airport (FSM)
On average, flying from Denver to Fort Smith generates about 118 kg of CO2 per passenger, and 118 kilograms equals 261 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Denver to Fort Smith
See the map of the shortest flight path between Denver International Airport (DEN) and Fort Smith Regional Airport (FSM).
Airport information
| Origin | Denver International Airport |
|---|---|
| City: | Denver, CO |
| Country: | United States  |
| IATA Code: | DEN |
| ICAO Code: | KDEN |
| Coordinates: | 39°51′42″N, 104°40′22″W |
| Destination | 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 |