# 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
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
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.

CDT

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?