Castle Rock to Fort Smith: Road Trip Guide & Distance
How far is Castle Rock from Fort Smith?
The distance from Castle Rock to Fort Smith is 636.2 miles (1023.9 km) as the crow flies. Fort Smith is located ESE of Castle Rock. By car, the driving distance is approximately 763.5 miles, taking about 15h 22min. A direct flight would take roughly 1h 47min. Both are located in United States — Castle Rock in Colorado and Fort Smith in Arkansas.
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 Fort Smith. 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 Fort Smith
Suggested Stops Between Castle Rock & Fort Smith
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Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 212 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 53 hours
- You could travel this distance about 39.1 times to circle the Earth's equator