Boulder City to Castle Rock: Road Trip Guide & Distance
How far is Boulder City from Castle Rock?
The distance from Boulder City to Castle Rock is 593.4 miles (955 km) as the crow flies. Castle Rock is located ENE of Boulder City. By car, the driving distance is approximately 712.1 miles, taking about 14h 20min. A direct flight would take roughly 1h 42min. Both are located in United States — Boulder City in Nevada and Castle Rock 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 Boulder City and Castle Rock. 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 Boulder City to Castle Rock
Suggested Stops Between Boulder City & Castle Rock
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Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 198 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 49 hours
- You could travel this distance about 42 times to circle the Earth's equator