How far is Fort Smith, AR, from Pierre, SD?
The distance between Pierre (Pierre Regional Airport) and Fort Smith (Fort Smith Regional Airport) is 698 miles / 1124 kilometers / 607 nautical miles.
The driving distance from Pierre (PIR) to Fort Smith (FSM) is 881 miles / 1418 kilometers, and travel time by car is about 15 hours 48 minutes.
Pierre Regional Airport – Fort Smith Regional Airport
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Distance from Pierre to Fort Smith
There are several ways to calculate the distance from Pierre to Fort Smith. Here are two standard methods:
Vincenty's formula (applied above)- 698.478 miles
- 1124.091 kilometers
- 606.961 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- 698.946 miles
- 1124.844 kilometers
- 607.367 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 Pierre to Fort Smith?
The estimated flight time from Pierre Regional Airport to Fort Smith Regional Airport is 1 hour and 49 minutes.
What is the time difference between Pierre and Fort Smith?
Flight carbon footprint between Pierre Regional Airport (PIR) and Fort Smith Regional Airport (FSM)
On average, flying from Pierre to Fort Smith generates about 124 kg of CO2 per passenger, and 124 kilograms equals 274 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Pierre to Fort Smith
See the map of the shortest flight path between Pierre Regional Airport (PIR) and Fort Smith Regional Airport (FSM).
Airport information
| Origin | Pierre Regional Airport |
|---|---|
| City: | Pierre, SD |
| Country: | United States  |
| IATA Code: | PIR |
| ICAO Code: | KPIR |
| Coordinates: | 44°22′57″N, 100°17′9″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 |