How far is Fort Smith, AR, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Fort Smith (Fort Smith Regional Airport) is 1323 miles / 2129 kilometers / 1149 nautical miles.
The driving distance from Ontario (ONT) to Fort Smith (FSM) is 1476 miles / 2375 kilometers, and travel time by car is about 25 hours 37 minutes.
Ontario International Airport – Fort Smith Regional Airport
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Distance from Ontario to Fort Smith
There are several ways to calculate the distance from Ontario to Fort Smith. Here are two standard methods:
Vincenty's formula (applied above)- 1322.664 miles
- 2128.621 kilometers
- 1149.363 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- 1319.779 miles
- 2123.978 kilometers
- 1146.856 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 Ontario to Fort Smith?
The estimated flight time from Ontario International Airport to Fort Smith Regional Airport is 3 hours and 0 minutes.
What is the time difference between Ontario and Fort Smith?
Flight carbon footprint between Ontario International Airport (ONT) and Fort Smith Regional Airport (FSM)
On average, flying from Ontario to Fort Smith generates about 168 kg of CO2 per passenger, and 168 kilograms equals 371 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ontario to Fort Smith
See the map of the shortest flight path between Ontario International Airport (ONT) and Fort Smith Regional Airport (FSM).
Airport information
| Origin | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States  |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″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 |