Air Miles Calculator

Distance between Chicago, IL (ORD) and Brownsville, TX (BRO)

Distance from Chicago to Brownsville (O'Hare International Airport – Brownsville/South Padre Island International Airport) is 1233 miles / 1985 kilometers / 1072 nautical miles.

How far is Brownsville from Chicago?

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

Vincenty's formula (applied above)
  • 1233.440 miles
  • 1985.029 kilometers
  • 1071.830 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
  • 1235.358 miles
  • 1988.115 kilometers
  • 1073.496 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 O'Hare International Airport (ORD) to Brownsville/South Padre Island International Airport (BRO) is 2 hours 50 minutes.

Time difference and current local times

There is no time difference between Chicago and Brownsville.

Time Difference

Chicago
Brownsville

Chicago, IL

 CST

Brownsville, TX

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 163 kg (359 pounds).

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″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

Map

Chicago to Brownsville flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Brownsville (BRO).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1233
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1233

Round trip?