How far is Fort Smith, AR, from Laredo, TX?
The distance between Laredo (Laredo International Airport) and Fort Smith (Fort Smith Regional Airport) is 615 miles / 990 kilometers / 535 nautical miles.
The driving distance from Laredo (LRD) to Fort Smith (FSM) is 728 miles / 1171 kilometers, and travel time by car is about 13 hours 3 minutes.
Laredo International Airport – Fort Smith Regional Airport
Search flights
Distance from Laredo to Fort Smith
There are several ways to calculate the distance from Laredo to Fort Smith. Here are two standard methods:
Vincenty's formula (applied above)- 615.216 miles
- 990.094 kilometers
- 534.608 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- 616.261 miles
- 991.775 kilometers
- 535.516 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 Laredo to Fort Smith?
The estimated flight time from Laredo International Airport to Fort Smith Regional Airport is 1 hour and 39 minutes.
What is the time difference between Laredo and Fort Smith?
Flight carbon footprint between Laredo International Airport (LRD) and Fort Smith Regional Airport (FSM)
On average, flying from Laredo to Fort Smith generates about 115 kg of CO2 per passenger, and 115 kilograms equals 253 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Laredo to Fort Smith
See the map of the shortest flight path between Laredo International Airport (LRD) and Fort Smith Regional Airport (FSM).
Airport information
| Origin | Laredo International Airport |
|---|---|
| City: | Laredo, TX |
| Country: | United States  |
| IATA Code: | LRD |
| ICAO Code: | KLRD |
| Coordinates: | 27°32′37″N, 99°27′41″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 |