How far is Harlingen, TX, from Fort Smith, AR?
The distance between Fort Smith (Fort Smith Regional Airport) and Harlingen (Valley International Airport) is 657 miles / 1057 kilometers / 571 nautical miles.
The driving distance from Fort Smith (FSM) to Harlingen (HRL) is 787 miles / 1267 kilometers, and travel time by car is about 14 hours 49 minutes.
Fort Smith Regional Airport – Valley International Airport
Search flights
Distance from Fort Smith to Harlingen
There are several ways to calculate the distance from Fort Smith to Harlingen. Here are two standard methods:
Vincenty's formula (applied above)- 657.076 miles
- 1057.461 kilometers
- 570.983 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- 658.735 miles
- 1060.131 kilometers
- 572.425 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 Harlingen?
The estimated flight time from Fort Smith Regional Airport to Valley International Airport is 1 hour and 44 minutes.
What is the time difference between Fort Smith and Harlingen?
There is no time difference between Fort Smith and Harlingen.
Flight carbon footprint between Fort Smith Regional Airport (FSM) and Valley International Airport (HRL)
On average, flying from Fort Smith to Harlingen generates about 120 kg of CO2 per passenger, and 120 kilograms equals 264 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 Harlingen
See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Valley International Airport (HRL).
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 | Valley International Airport |
|---|---|
| City: | Harlingen, TX |
| Country: | United States |
| IATA Code: | HRL |
| ICAO Code: | KHRL |
| Coordinates: | 26°13′42″N, 97°39′15″W |