Best ExitGreat Falls to Idaho Falls: where to stop
356 miles on I-15 southbound, about 5 hr 30 min of driving · 69 stops · 0 likely clean
A stop about every 45 minutes
The best bet in each stretch: a likely-clean restroom first, then a travel center or gas. Estimates come from who runs the store until drivers review it.
- Rest Dearborn Rest Area Mixedest. Dearborn Rest Area 39 mi from Great Falls 30 min in
- 190 South Helena Mixedest. Maverik Helena · 88 mi from Great Falls 1 hr 15 min in
- 122 Rocker Mixedest. Exxon Butte · 155 mi from Great Falls 2 hr 30 min in
- 63 Dillon · Twin Bridges Mixedest. KFC Dillon · 214 mi from Great Falls 3 hr 15 min in
- Rest Red Rocks Parking Area, I-15 Southbound Mixedest. Red Rocks Parking Area, I-15 Southbound 244 mi from Great Falls 3 hr 45 min in
- 167 Dubois Mixedest. TA Express Dubois Dubois · 307 mi from Great Falls 4 hr 45 min in
Long stretches without a likely-clean stop
- 356 miles, about 5 hr 30 min: from Great Falls to Idaho Falls. Stop before it if you can.