How far is Laredo, TX, from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Laredo (Laredo International Airport) is 934 miles / 1503 kilometers / 811 nautical miles.
The driving distance from St Louis (STL) to Laredo (LRD) is 1078 miles / 1735 kilometers, and travel time by car is about 19 hours 31 minutes.
St. Louis Lambert International Airport – Laredo International Airport
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Distance from St Louis to Laredo
There are several ways to calculate the distance from St Louis to Laredo. Here are two standard methods:
Vincenty's formula (applied above)- 933.745 miles
- 1502.717 kilometers
- 811.402 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- 934.773 miles
- 1504.371 kilometers
- 812.295 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 St Louis to Laredo?
The estimated flight time from St. Louis Lambert International Airport to Laredo International Airport is 2 hours and 16 minutes.
What is the time difference between St Louis and Laredo?
Flight carbon footprint between St. Louis Lambert International Airport (STL) and Laredo International Airport (LRD)
On average, flying from St Louis to Laredo generates about 146 kg of CO2 per passenger, and 146 kilograms equals 322 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from St Louis to Laredo
See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Laredo International Airport (LRD).
Airport information
| Origin | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States  |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″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 |