Green Bay to Rockford: Road Trip Guide & Distance

How far is Green Bay from Rockford?

The distance from Green Bay to Rockford is 164.4 miles (264.6 km) as the crow flies. Rockford is located SSW of Green Bay. By car, the driving distance is approximately 205.5 miles, taking about 4h 8min. A direct flight would take roughly 50min. Both are located in United States — Green Bay in Wisconsin and Rockford in Illinois.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Green Bay and Rockford. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.