How far is Fort Smith, AR, from Harlingen, TX?
The distance between Harlingen (Valley International Airport) and Fort Smith (Fort Smith Regional Airport) is 657 miles / 1057 kilometers / 571 nautical miles.
The driving distance from Harlingen (HRL) to Fort Smith (FSM) is 815 miles / 1311 kilometers, and travel time by car is about 14 hours 53 minutes.
Valley International Airport – Fort Smith Regional Airport
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Distance from Harlingen to Fort Smith
There are several ways to calculate the distance from Harlingen to Fort Smith. 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 Harlingen to Fort Smith?
The estimated flight time from Valley International Airport to Fort Smith Regional Airport is 1 hour and 44 minutes.
What is the time difference between Harlingen and Fort Smith?
There is no time difference between Harlingen and Fort Smith.
Flight carbon footprint between Valley International Airport (HRL) and Fort Smith Regional Airport (FSM)
On average, flying from Harlingen to Fort Smith 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 Harlingen to Fort Smith
See the map of the shortest flight path between Valley International Airport (HRL) and Fort Smith Regional Airport (FSM).
Airport information
| Origin | Valley International Airport |
|---|---|
| City: | Harlingen, TX |
| Country: | United States  |
| IATA Code: | HRL |
| ICAO Code: | KHRL |
| Coordinates: | 26°13′42″N, 97°39′15″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 |