Castle Rock to Willmar: Road Trip Guide & Distance

639.3 miles 1028.8 km · straight line
767.1 miles estimated 1234.6 km · driving distance
15h 26min estimated drive time
$74 - $91 estimated fuel cost
~1h 47min flight time
48° NE bearing direction

How far is Castle Rock from Willmar?

The distance from Castle Rock to Willmar is 639.3 miles (1028.8 km) as the crow flies. Willmar is located NE of Castle Rock. By car, the driving distance is approximately 767.1 miles, taking about 15h 26min. A direct flight would take roughly 1h 47min. Both are located in United States — Castle Rock in Colorado and Willmar in Minnesota.

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 Castle Rock and Willmar. 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 Castle Rock to Willmar

Method Time Est. Cost Best For
Drive 15h 26min $74 - $91 Flexible stops
Fly ~1h 47min $80–200* Speed
Bus ~18h 31min $61–$115* Budget
Train ~20h 4min $92–$268* Comfort

Suggested Stops Between Castle Rock & Willmar

Quick Facts

Castle Rock
39.37°N, 104.86°W
America/Denver
1897m elevation
Willmar
45.12°N, 95.04°W
America/Chicago
348m elevation
Explore more routes from Willmar

Did You Know?

  • At walking speed (3 mph), it would take about 213 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 53 hours
  • You could travel this distance about 39 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients