How far is Rockford, IL, from Houston, TX?
The distance between Houston (Houston George Bush Intercontinental Airport) and Rockford (Chicago Rockford International Airport) is 911 miles / 1466 kilometers / 792 nautical miles.
The driving distance from Houston (IAH) to Rockford (RFD) is 1056 miles / 1700 kilometers, and travel time by car is about 19 hours 27 minutes.
Houston George Bush Intercontinental Airport – Chicago Rockford International Airport
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Distance from Houston to Rockford
There are several ways to calculate the distance from Houston to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 910.883 miles
- 1465.924 kilometers
- 791.535 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 912.217 miles
- 1468.071 kilometers
- 792.695 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).
How long does it take to fly from Houston to Rockford?
The estimated flight time from Houston George Bush Intercontinental Airport to Chicago Rockford International Airport is 2 hours and 13 minutes.
What is the time difference between Houston and Rockford?
Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Chicago Rockford International Airport (RFD)
On average, flying from Houston to Rockford generates about 144 kg of CO2 per passenger, and 144 kilograms equals 318 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Houston to Rockford
See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Houston George Bush Intercontinental Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States  |
| IATA Code: | IAH |
| ICAO Code: | KIAH |
| Coordinates: | 29°59′3″N, 95°20′29″W |
| Destination | Chicago Rockford International Airport |
|---|---|
| City: | Rockford, IL |
| Country: | United States |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″W |