Helena, Montana to Ottumwa: Road Trip Guide & Distance

How far is Helena, Montana from Ottumwa?

The distance from Helena, Montana to Ottumwa is 1048.1 miles (1686.7 km) as the crow flies. Ottumwa is located ESE of Helena, Montana. By car, the driving distance is approximately 1257.7 miles, taking about 25h 18min. A direct flight would take roughly 2h 37min. Both are located in United States — Helena, Montana in Montana and Ottumwa 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 Helena, Montana and Ottumwa. 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.