Boulder to Waterloo, Iowa: Road Trip Guide & Distance

How far is Boulder from Waterloo, Iowa?

The distance from Boulder to Waterloo, Iowa is 692.2 miles (1114 km) as the crow flies. Waterloo, Iowa is located ENE of Boulder. By car, the driving distance is approximately 830.6 miles, taking about 16h 43min. A direct flight would take roughly 1h 54min. Both are located in United States — Boulder in Colorado and Waterloo, 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 Boulder and Waterloo, 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.