Green Bay to Romeoville: Road Trip Guide & Distance

How far is Green Bay from Romeoville?

The distance from Green Bay to Romeoville is 198.5 miles (319.4 km) as the crow flies. Romeoville is located S of Green Bay. By car, the driving distance is approximately 248.1 miles, taking about 4h 59min. A direct flight would take roughly 54min. Both are located in United States — Green Bay in Wisconsin and Romeoville 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. 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 Romeoville. 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.