Air Miles Calculator

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

Distance from Houston to Rockford (William P. Hobby Airport – Chicago Rockford International Airport) is 931 miles / 1499 kilometers / 809 nautical miles.

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).

Flight duration

Estimated flight time from William P. Hobby Airport (HOU) to Chicago Rockford International Airport (RFD) is 2 hours 15 minutes.

Time difference and current local times

There is no time difference between Houston and Rockford.

Time Difference

Houston
Rockford

Houston, TX

 CST

Rockford, IL

 CST

Carbon dioxide emissions

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

Airport information


A 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

Map

Houston to Rockford flight map.

Frequent Flyer Miles Calculator

Houston (HOU) → Rockford (RFD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
931
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
931

Round trip?