Boulder to Great Sand Dunes: Road Trip Guide & Distance

How far is Boulder from Great Sand Dunes?

The distance from Boulder to Great Sand Dunes is 154.6 miles (248.8 km) as the crow flies. Great Sand Dunes is located S of Boulder. By car, the driving distance is approximately 193.2 miles, taking about 3h 53min. A direct flight would take roughly 49min. 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. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Boulder and Great Sand Dunes. 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.