Boulder to Delaware: Road Trip Guide & Distance

How far is Boulder from Delaware?

The distance from Boulder to Delaware is 1169.5 miles (1882.2 km) as the crow flies. Delaware is located E of Boulder. By car, the driving distance is approximately 1403.4 miles, taking about 28h 14min. A direct flight would take roughly 2h 51min. Both are located in United States — Boulder in Colorado and Delaware in Ohio.

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 Delaware. 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.