Casper to Sioux City: Road Trip Guide & Distance
How far is Casper from Sioux City?
The distance from Casper to Sioux City is 503.8 miles (810.8 km) as the crow flies. Sioux City is located E of Casper. By car, the driving distance is approximately 604.6 miles, taking about 12h 10min. A direct flight would take roughly 1h 31min. Both are located in United States — Casper in Wyoming and Sioux City in Iowa.
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 Casper and Sioux City. 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 Casper to Sioux City
Quick Facts
Did You Know?
- At walking speed (3 mph), it would take about 168 hours of non-stop walking
- By bicycle at 12 mph, the journey would take roughly 42 hours
- You could travel this distance about 49.4 times to circle the Earth's equator