Boise to Boulder: Road Trip Guide & Distance

614.8 miles 989.4 km · straight line
737.8 miles estimated 1187.3 km · driving distance
14h 50min estimated drive time
$71 - $87 estimated fuel cost
~1h 44min flight time
110° ESE bearing direction

How far is Boise from Boulder?

The distance from Boise to Boulder is 614.8 miles (989.4 km) as the crow flies. Boulder is located ESE of Boise. By car, the driving distance is approximately 737.8 miles, taking about 14h 50min. A direct flight would take roughly 1h 44min. Both are located in United States — Boise in Idaho and Boulder in Colorado.

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.

Coordinates come from public place data for Boise and Boulder. 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.

How to Get from Boise to Boulder

Method Time Est. Cost Best For
Drive 14h 50min $71 - $87 Flexible stops
Fly ~1h 44min $80–200* Speed
Bus ~17h 48min $59–$111* Budget
Train ~19h 17min $89–$258* 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 Boise & Boulder

Quick Facts

Boise
43.62°N, 116.20°W
America/Boise
824m elevation
Boulder
40.02°N, 105.27°W
America/Denver
1655m elevation

From Boise

From Boulder

Explore more routes from Boulder

Did You Know?

  • At walking speed (3 mph), it would take about 205 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 51 hours
  • You could travel this distance about 40.5 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients