How far is Laredo, TX, from Fort Smith, AR?
The distance between Fort Smith (Fort Smith Regional Airport) and Laredo (Laredo International Airport) is 615 miles / 990 kilometers / 535 nautical miles.
The driving distance from Fort Smith (FSM) to Laredo (LRD) is 728 miles / 1172 kilometers, and travel time by car is about 13 hours 3 minutes.
Fort Smith Regional Airport – Laredo International Airport
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Distance from Fort Smith to Laredo
There are several ways to calculate the distance from Fort Smith to Laredo. 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 Fort Smith to Laredo?
The estimated flight time from Fort Smith Regional Airport to Laredo International Airport is 1 hour and 39 minutes.
What is the time difference between Fort Smith and Laredo?
Flight carbon footprint between Fort Smith Regional Airport (FSM) and Laredo International Airport (LRD)
On average, flying from Fort Smith to Laredo 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 Fort Smith to Laredo
See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Laredo International Airport (LRD).
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 | Laredo International Airport |
|---|---|
| City: | Laredo, TX |
| Country: | United States |
| IATA Code: | LRD |
| ICAO Code: | KLRD |
| Coordinates: | 27°32′37″N, 99°27′41″W |