Marion, Iowa to Sioux City: Road Trip Guide & Distance

How far is Marion, Iowa from Sioux City?

The distance from Marion, Iowa to Sioux City is 247.6 miles (398.5 km) as the crow flies. Sioux City is located W of Marion, Iowa. By car, the driving distance is approximately 309.5 miles, taking about 6h 14min. A direct flight would take roughly 1h 0min. Both are located in United States.

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 Marion, Iowa and Sioux 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.