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How far is Harlingen, TX, from Castries?

The distance between Castries (George F. L. Charles Airport) and Harlingen (Valley International Airport) is 2515 miles / 4048 kilometers / 2185 nautical miles.

George F. L. Charles Airport – Valley International Airport

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2515
Miles
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4048
Kilometers
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2185
Nautical miles

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Distance from Castries to Harlingen

There are several ways to calculate the distance from Castries to Harlingen. Here are two standard methods:

Vincenty's formula (applied above)
  • 2515.005 miles
  • 4047.509 kilometers
  • 2185.480 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
  • 2512.845 miles
  • 4044.033 kilometers
  • 2183.603 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 Castries to Harlingen?

The estimated flight time from George F. L. Charles Airport to Valley International Airport is 5 hours and 15 minutes.

Flight carbon footprint between George F. L. Charles Airport (SLU) and Valley International Airport (HRL)

On average, flying from Castries to Harlingen generates about 277 kg of CO2 per passenger, and 277 kilograms equals 611 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Castries to Harlingen

See the map of the shortest flight path between George F. L. Charles Airport (SLU) and Valley International Airport (HRL).

Airport information

Origin George F. L. Charles Airport
City: Castries
Country: Saint Lucia Flag of Saint Lucia
IATA Code: SLU
ICAO Code: TLPC
Coordinates: 14°1′12″N, 60°59′34″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