Casper to Rexburg: Road Trip Guide & Distance

How far is Casper from Rexburg?

The distance from Casper to Rexburg is 283 miles (455.4 km) as the crow flies. Rexburg is located WNW of Casper. By car, the driving distance is approximately 353.7 miles, taking about 7h 7min. A direct flight would take roughly 1h 4min. Both are located in United States — Casper in Wyoming and Rexburg in Idaho.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Casper and Rexburg. 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.