Boulder to Saint George: Road Trip Guide & Distance

How far is Boulder from Saint George?

The distance from Boulder to Saint George is 491.9 miles (791.6 km) as the crow flies. Saint George is located WSW of Boulder. By car, the driving distance is approximately 590.2 miles, taking about 11h 52min. A direct flight would take roughly 1h 29min. Both are located in United States — Boulder in Colorado and Saint George in Utah.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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 Boulder and Saint George. 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.