How far is Ontario, CA, from Fort Smith, AR?
The distance between Fort Smith (Fort Smith Regional Airport) and Ontario (Ontario International Airport) is 1323 miles / 2129 kilometers / 1149 nautical miles.
The driving distance from Fort Smith (FSM) to Ontario (ONT) is 1476 miles / 2376 kilometers, and travel time by car is about 25 hours 37 minutes.
Fort Smith Regional Airport – Ontario International Airport
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Distance from Fort Smith to Ontario
There are several ways to calculate the distance from Fort Smith to Ontario. 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 Fort Smith to Ontario?
The estimated flight time from Fort Smith Regional Airport to Ontario International Airport is 3 hours and 0 minutes.
What is the time difference between Fort Smith and Ontario?
The time difference between Fort Smith and Ontario is 2 hours. Ontario is 2 hours behind Fort Smith.
Flight carbon footprint between Fort Smith Regional Airport (FSM) and Ontario International Airport (ONT)
On average, flying from Fort Smith to Ontario 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 Fort Smith to Ontario
See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Ontario International Airport (ONT).
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 | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |