Air Miles Calculator

Distance between Houston, TX (HOU) and Harlingen, TX (HRL)

Flight distance from Houston to Harlingen (Houston William P. Hobby Airport – Valley International Airport) is 276 miles / 445 kilometers / 240 nautical miles. Estimated flight time is 1 hour 1 minutes.

Driving distance from Houston (HOU) to Harlingen (HRL) is 343 miles / 552 kilometers and travel time by car is about 6 hours 24 minutes.

Map of flight path and driving directions from Houston to Harlingen.

Shortest flight path between Houston William P. Hobby Airport (HOU) and Valley International Airport (HRL).

How far is Harlingen from Houston?

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

Vincenty's formula (applied above)
  • 276.499 miles
  • 444.982 kilometers
  • 240.271 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
  • 277.039 miles
  • 445.850 kilometers
  • 240.740 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).

Airport information


A Houston William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″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

Time difference and current local times

There is no time difference between Houston and Harlingen.

Time Difference

Houston, TX

 CDT

Harlingen, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 66 kg (145 pounds).

Frequent Flyer Miles Calculator

Houston (HOU) → Harlingen (HRL).

Distance:
276
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
276

Round trip?