Great Falls to Marion, Iowa: Road Trip Guide & Distance

How far is Great Falls from Marion, Iowa?

The distance from Great Falls to Marion, Iowa is 1034.1 miles (1664.3 km) as the crow flies. Marion, Iowa is located ESE of Great Falls. By car, the driving distance is approximately 1241 miles, taking about 24h 58min. A direct flight would take roughly 2h 35min. Both are located in United States — Great Falls in Montana and Marion, Iowa in Iowa.

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 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.