How far is Sioux City, IA, from Fort Smith, AR?
The distance between Fort Smith (Fort Smith Regional Airport) and Sioux City (Sioux Gateway Airport) is 499 miles / 804 kilometers / 434 nautical miles.
The driving distance from Fort Smith (FSM) to Sioux City (SUX) is 563 miles / 906 kilometers, and travel time by car is about 10 hours 23 minutes.
Fort Smith Regional Airport – Sioux Gateway Airport
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Distance from Fort Smith to Sioux City
There are several ways to calculate the distance from Fort Smith to Sioux City. Here are two standard methods:
Vincenty's formula (applied above)- 499.360 miles
- 803.641 kilometers
- 433.932 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- 500.081 miles
- 804.803 kilometers
- 434.559 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 Sioux City?
The estimated flight time from Fort Smith Regional Airport to Sioux Gateway Airport is 1 hour and 26 minutes.
What is the time difference between Fort Smith and Sioux City?
There is no time difference between Fort Smith and Sioux City.
Flight carbon footprint between Fort Smith Regional Airport (FSM) and Sioux Gateway Airport (SUX)
On average, flying from Fort Smith to Sioux City generates about 99 kg of CO2 per passenger, and 99 kilograms equals 217 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 Sioux City
See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Sioux Gateway Airport (SUX).
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 | Sioux Gateway Airport |
|---|---|
| City: | Sioux City, IA |
| Country: | United States |
| IATA Code: | SUX |
| ICAO Code: | KSUX |
| Coordinates: | 42°24′9″N, 96°23′3″W |