Great Falls to Green Bay: Road Trip Guide & Distance

How far is Great Falls from Green Bay?

The distance from Great Falls to Green Bay is 1131.6 miles (1821.1 km) as the crow flies. Green Bay is located E of Great Falls. By car, the driving distance is approximately 1357.9 miles, taking about 27h 19min. A direct flight would take roughly 2h 47min. Both are located in United States — Great Falls in Montana and Green Bay in Wisconsin.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Great Falls and Green Bay. 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.