Boulder to Phoenix: Road Trip Guide & Distance

589.3 miles 948.4 km · straight line
832.1 miles actual route 1339.2 km · driving distance
15h 50min estimated drive time
$80 - $99 estimated fuel cost
~1h 41min flight time
222° SW bearing direction

How far is Boulder from Phoenix?

The distance from Boulder to Phoenix is 589.3 miles (948.4 km) as the crow flies. Phoenix is located SW of Boulder. By car, the driving distance is approximately 832.1 miles, taking about 15h 50min. A direct flight would take roughly 1h 41min. Both are located in United States — Boulder in Colorado and Phoenix in Arizona.

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. 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. 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 Phoenix. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Boulder to Phoenix

Method Time Est. Cost Best For
Drive 15h 50min $80 - $99 Flexible stops
Fly ~1h 41min $80–200* Speed
Bus ~19h 0min $67–$125* Budget
Train ~20h 35min $100–$291* Comfort

Flying saves significant time. Driving is better if you want flexibility and stops.

* Estimated range. Actual prices vary by date and provider.

Suggested Stops Between Boulder & Phoenix

Quick Facts

Boulder
40.02°N, 105.27°W
America/Denver
1655m elevation
Phoenix
33.45°N, 112.07°W
America/Phoenix
331m elevation

From Boulder

From Phoenix

Explore more routes from Phoenix

Did You Know?

  • At walking speed (3 mph), it would take about 196 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 49 hours
  • You could travel this distance about 42.3 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM