Green Bay to Mason City: Road Trip Guide & Distance

How far is Green Bay from Mason City?

The distance from Green Bay to Mason City is 274.8 miles (442.3 km) as the crow flies. Mason City is located WSW of Green Bay. By car, the driving distance is approximately 343.6 miles, taking about 6h 55min. A direct flight would take roughly 1h 3min. Both are located in United States — Green Bay in Wisconsin and Mason City 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 Mason City. 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.