Green Bay to Marshalltown: Road Trip Guide & Distance

How far is Green Bay from Marshalltown?

The distance from Green Bay to Marshalltown is 299.2 miles (481.5 km) as the crow flies. Marshalltown is located WSW of Green Bay. By car, the driving distance is approximately 374 miles, taking about 7h 31min. A direct flight would take roughly 1h 6min. Both are located in United States — Green Bay in Wisconsin and Marshalltown in Iowa.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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.

Coordinates come from public place data for Green Bay and Marshalltown. 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.