How far is St Louis, MO, from Harlingen, TX?
The distance between Harlingen (Valley International Airport) and St Louis (St. Louis Lambert International Airport) is 961 miles / 1547 kilometers / 835 nautical miles.
The driving distance from Harlingen (HRL) to St Louis (STL) is 1125 miles / 1810 kilometers, and travel time by car is about 21 hours 20 minutes.
Valley International Airport – St. Louis Lambert International Airport
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Distance from Harlingen to St Louis
There are several ways to calculate the distance from Harlingen to St Louis. Here are two standard methods:
Vincenty's formula (applied above)- 961.064 miles
- 1546.683 kilometers
- 835.142 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- 962.757 miles
- 1549.408 kilometers
- 836.613 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 St Louis?
The estimated flight time from Valley International Airport to St. Louis Lambert International Airport is 2 hours and 19 minutes.
What is the time difference between Harlingen and St Louis?
Flight carbon footprint between Valley International Airport (HRL) and St. Louis Lambert International Airport (STL)
On average, flying from Harlingen to St Louis generates about 148 kg of CO2 per passenger, and 148 kilograms equals 327 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 St Louis
See the map of the shortest flight path between Valley International Airport (HRL) and St. Louis Lambert International Airport (STL).
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 | 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 |