How far is Kalskag, AK, from Harlingen, TX?

The distance between Harlingen (Valley International Airport) and Kalskag (Kalskag Airport) is 3751 miles / 6036 kilometers / 3259 nautical miles.

Distance from Harlingen to Kalskag

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

Vincenty's formula (applied above)

• 3750.565 miles
• 6035.949 kilometers
• 3259.151 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

• 3746.101 miles
• 6028.765 kilometers
• 3255.273 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 Kalskag?

The estimated flight time from Valley International Airport to Kalskag Airport is 7 hours and 36 minutes.

What is the time difference between Harlingen and Kalskag?

The time difference between Harlingen and Kalskag is 3 hours. Kalskag is 3 hours behind Harlingen.

Flight carbon footprint between Valley International Airport (HRL) and Kalskag Airport (KLG)

On average, flying from Harlingen to Kalskag generates about 425 kg of CO2 per passenger, and 425 kilograms equals 938 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Harlingen to Kalskag

See the map of the shortest flight path between Valley International Airport (HRL) and Kalskag Airport (KLG).

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	Kalskag Airport
City:	Kalskag, AK
Country:	United States
IATA Code:	KLG
ICAO Code:	PALG
Coordinates:	61°32′10″N, 160°20′27″W