Sheridan, WY to Hamilton, MT: Road Trip Guide

This route follows US-14 and I-90 West through northern Wyoming and southern Montana, a corridor that shadows the historic Bozeman Trail. The drive between Sheridan, WY and Hamilton, MT covers about 350 miles and typically takes 5.5 to 6 hours without stops. However, the real value lies in the detours: the Big Horn Mountains, Yellowstone River valley, and the sapphire-blue waters of Flathead Lake.

For a deeper dive into finding the best stops and hidden gems between cities, check out this guide: how to find the best stops and hidden gems between cities.

The primary highways are US-14 from Sheridan to Greybull, then US-16 to Cody, and I-90 west from Cody to Bozeman. From Bozeman, take US-191 south and US-93 south to Hamilton. Gas stations are sparse between Greybull and Cody (about 60 miles) and between Big Timber and Bozeman (50 miles). Plan to fill up in Sheridan, Cody, and Bozeman.

• Sheridan to Cody: 120 miles, 2 hours. Consider a detour via US-14A over the Big Horns (adds 30 min).
• Cody to Bozeman: 150 miles, 2.5 hours via I-90. Smooth pavement.
• Bozeman to Hamilton: 80 miles, 1 hour 15 min via US-191 and US-93. Watch for deer at dusk.

I-90 is well-maintained, but US-14 and US-16 have winding sections through the Big Horns—watch for wildlife, especially elk and deer. Speed limits are 65-70 mph on interstates, 55-65 on US highways.

• Family-friendly stops: Cody's Old Trail Town (1880s buildings) and Bozeman's Children's Museum.
• Pet-friendly: Many motels in Cody and Bozeman accept pets; check ahead.
• Rest zones: Sheridan rest area (mile 0), Greybull (mile 80), Cody (mile 120), Big Timber (mile 220), Bozeman (mile 270).
• Fatigue management: Take a 15-minute break every 2 hours. Consider stopping at the Bighorn Canyon visitor center for a short hike.

The Big Horn Mountains offer dramatic alpine scenery with the Medicine Wheel National Historic Landmark (a UNESCO World Heritage candidate) near Lovell. The Bighorn Canyon National Recreation Area provides stunning red-rock canyons. In Cody, the Buffalo Bill Center of the West is a must for Western heritage.

• Yellowstone National Park entrance at Gardiner, MT (south of I-90) is a 1-hour detour from Livingston.
• Bozeman's Museum of the Rockies showcases dinosaur fossils and Native American artifacts.
• Hamilton's Ravalli County Museum highlights local history and the Bitterroot Valley.

Local markets in Cody and Bozeman offer artisan cheeses and huckleberry products. Hamilton is known for its sapphire mining; buy direct from local miners.