Air Miles Calculator

Distance between Oklahoma City, OK (OKC) and Harlingen, TX (HRL)

Distance from Oklahoma City to Harlingen (Will Rogers World Airport – Valley International Airport) is 631 miles / 1016 kilometers / 549 nautical miles.

How far is Harlingen from Oklahoma City?

There are several ways to calculate distances between Oklahoma City and Harlingen. Here are two common methods:

Vincenty's formula (applied above)
  • 631.355 miles
  • 1016.068 kilometers
  • 548.633 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 633.222 miles
  • 1019.071 kilometers
  • 550.254 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).

Flight duration

Estimated flight time from Will Rogers World Airport (OKC) to Valley International Airport (HRL) is 1 hour 41 minutes.

Time difference and current local times

There is no time difference between Oklahoma City and Harlingen.

Time Difference

Oklahoma City
Harlingen

Oklahoma City, OK

 CDT

Harlingen, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 117 kg (257 pounds).

Airport information


A Will Rogers World Airport
City: Oklahoma City, OK
Country: United States Flag of United States
IATA Code: OKC
ICAO Code: KOKC
Coordinates: 35°23′35″N, 97°36′2″W

B 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

Oklahoma City to Harlingen flight path

Shortest flight path between Will Rogers World Airport (OKC) and Valley International Airport (HRL).

Frequent Flyer Miles Calculator

Oklahoma City (OKC) → Harlingen (HRL).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
631
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
631

Round trip?