Decatur, Illinois to Marshalltown: Road Trip Guide & Distance

How far is Decatur, Illinois from Marshalltown?

The distance from Decatur, Illinois to Marshalltown is 256.6 miles (412.9 km) as the crow flies. Marshalltown is located NW of Decatur, Illinois. By car, the driving distance is approximately 320.7 miles, taking about 6h 27min. A direct flight would take roughly 1h 1min. Both are located in United States — Decatur, Illinois in Illinois and Marshalltown 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 Decatur, Illinois and Marshalltown. 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.