Air Miles Calculator

Distance between Houston, TX (HOU) and Rockford, IL (RFD)

Flight distance from Houston to Rockford (Houston William P. Hobby Airport – Chicago Rockford International Airport) is 931 miles / 1499 kilometers / 809 nautical miles. Estimated flight time is 2 hours 15 minutes.

Driving distance from Houston (HOU) to Rockford (RFD) is 1086 miles / 1747 kilometers and travel time by car is about 19 hours 35 minutes.

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

Shortest flight path between Houston William P. Hobby Airport (HOU) and Chicago Rockford International Airport (RFD).

How far is Rockford from Houston?

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

Vincenty's formula (applied above)
  • 931.459 miles
  • 1499.037 kilometers
  • 809.415 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
  • 932.881 miles
  • 1501.327 kilometers
  • 810.652 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 Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W

Time difference and current local times

There is no time difference between Houston and Rockford.

Time Difference

Houston, TX

 CST

Rockford, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 146 kg (322 pounds).

Frequent Flyer Miles Calculator

Houston (HOU) → Rockford (RFD).

Distance:
931
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
931

Round trip?