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How far is Harlingen, TX, from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Harlingen (Valley International Airport) is 961 miles / 1547 kilometers / 835 nautical miles.

The driving distance from St Louis (STL) to Harlingen (HRL) is 1115 miles / 1795 kilometers, and travel time by car is about 20 hours 45 minutes.

St. Louis Lambert International Airport – Valley 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 St Louis to Harlingen

There are several ways to calculate the distance from St Louis to Harlingen. 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 St Louis to Harlingen?

The estimated flight time from St. Louis Lambert International Airport to Valley International Airport is 2 hours and 19 minutes.

What is the time difference between St Louis and Harlingen?

There is no time difference between St Louis and Harlingen.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Valley International Airport (HRL)

On average, flying from St Louis to Harlingen 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 St Louis to Harlingen

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Valley International Airport (HRL).

Airport information

Origin 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
Destination 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