Big Sky to Scottsbluff Road Trip Guide: Rockies to Plains

The drive from Big Sky, Montana to Scottsbluff, Nebraska covers roughly 760 miles along US-191, I-90, and US-26. You'll descend from the rugged Gallatin Range at 8,200 feet to the high plains of the Nebraska Panhandle, crossing three states—Montana, Wyoming, and Nebraska. The route follows the historic Oregon Trail corridor near Scotts Bluff, a natural landmark that guided pioneers. Expect about 11–13 hours of pure driving time, but plan for two days to savor the transitions.

• Start elevation: Big Sky ~8,200 ft; End elevation: Scottsbluff ~3,900 ft.
• Key highways: US-191, I-90, US-26, NE-71.
• Historical note: The path near Scotts Bluff was used by over 500,000 emigrants between 1841 and 1869.
• Traffic pattern: Sparse outside of Bozeman and Casper; watch for wildlife at dawn/dusk.

Fuel stations become sparse west of Casper, especially between Thermopolis and Shoshoni. Plan your fuel stops in Bozeman, Livingston, Cody, Thermopolis, Casper, and Torrington. Diesel is available at major truck stops; some remote stations close early. Cell service drops significantly in the Wind River Canyon and parts of the Bighorn Basin.

• Recommended fuel stops: Bozeman (exit 309), Cody (several on US-14A), Thermopolis (US-20), Casper (I-25 exits).
• Road hazards: Wildlife (elk, deer, pronghorn) on US-191 near Big Sky; wind gusts on I-25 near Casper.
• Towing services: AAA coverage is good in towns; remote assistance may take >1 hour.

Accommodations range from luxury lodges in Big Sky to budget motels in Torrington. Consider an overnight in Cody or Thermopolis to break the drive. Camping is available at Buffalo Bill State Park near Cody and at several sites in the Bighorn National Forest.

• Hotels: Best Western in Cody (~$150); Days Inn in Casper (~$80).
• Camping: Clear Creek Campground (Bighorn NF) $15/night.
• Rest stops: Many rest areas along I-90 and US-26, but limited facilities in Wyoming's basins.