Green Bay to Marion, Iowa: Road Trip Guide & Distance

How far is Green Bay from Marion, Iowa?

The distance from Green Bay to Marion, Iowa is 248.7 miles (400.2 km) as the crow flies. Marion, Iowa is located SW of Green Bay. By car, the driving distance is approximately 310.9 miles, taking about 6h 15min. A direct flight would take roughly 1h 0min. Both are located in United States — Green Bay in Wisconsin and Marion, Iowa in Iowa.

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.

Coordinates come from public place data for Green Bay and Marion, Iowa. 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.