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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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961
Miles
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1547
Kilometers
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835
Nautical miles

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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?

There is no 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 Flag of 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 Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W