Castle Rock to Duncan, Oklahoma: Road Trip Guide & Distance

508 miles 817.5 km · straight line
609.6 miles estimated 981 km · driving distance
12h 16min estimated drive time
$59 - $72 estimated fuel cost
~1h 31min flight time
129° SE bearing direction

How far is Castle Rock from Duncan, Oklahoma?

The distance from Castle Rock to Duncan, Oklahoma is 508 miles (817.5 km) as the crow flies. Duncan, Oklahoma is located SE of Castle Rock. By car, the driving distance is approximately 609.6 miles, taking about 12h 16min. A direct flight would take roughly 1h 31min. Both are located in United States — Castle Rock in Colorado and Duncan, Oklahoma in Oklahoma.

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 Duncan, Oklahoma. 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 Duncan, Oklahoma

Method Time Est. Cost Best For
Drive 12h 16min $59 - $72 Flexible stops
Fly ~1h 31min $80–200* Speed
Bus ~14h 43min $49–$91* Budget
Train ~15h 57min $73–$213* Comfort

Suggested Stops Between Castle Rock & Duncan, Oklahoma

Quick Facts

Castle Rock
39.37°N, 104.86°W
America/Denver
1897m elevation
Duncan, Oklahoma
34.50°N, 97.96°W
America/Chicago
342m elevation
Explore more routes from Duncan, Oklahoma

Did You Know?

  • At walking speed (3 mph), it would take about 169 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 42 hours
  • You could travel this distance about 49 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients