Air Miles Calculator

Distance between Houston, TX (IAH) and Brownsville, TX (BRO)

Flight distance from Houston to Brownsville (Houston George Bush Intercontinental Airport – Brownsville/South Padre Island International Airport) is 308 miles / 496 kilometers / 268 nautical miles. Estimated flight time is 1 hour 5 minutes.

Driving distance from Houston (IAH) to Brownsville (BRO) is 385 miles / 620 kilometers and travel time by car is about 7 hours 4 minutes.

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

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Brownsville/South Padre Island International Airport (BRO).

How far is Brownsville from Houston?

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

Vincenty's formula (applied above)
  • 308.340 miles
  • 496.225 kilometers
  • 267.940 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
  • 309.111 miles
  • 497.466 kilometers
  • 268.610 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 George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

B Brownsville/South Padre Island International Airport
City: Brownsville, TX
Country: United States Flag of United States
IATA Code: BRO
ICAO Code: KBRO
Coordinates: 25°54′24″N, 97°25′33″W

Time difference and current local times

There is no time difference between Houston and Brownsville.

Time Difference

Houston, TX

 CDT

Brownsville, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 70 kg (155 pounds).

Frequent Flyer Miles Calculator

Houston (IAH) → Brownsville (BRO).

Distance:
308
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
308

Round trip?