Your total trip with all stops is around 710 miles / 1150 km, taking roughly 11.5 hours for the whole trip.
Start from Keizer, Oregon.
Kennewick, Washington is stopping point #1 after driving about 260 miles (410 km) or 4 hours.
Spokane, Washington is stopping point #2 after driving about 140 miles (230 km) or 2 hours. Your total trip so far is about 400 miles or 640 km over roughly 6 hours of driving.
Missoula, Montana is stopping point #3 after driving about 200 miles (320 km) or 3 hours. Your total trip so far is about 600 miles or 960 km over roughly 9.5 hours of driving.
Finally, Butte, Montana is your destination after driving about 120 miles (190 km) or 2 hours. Your total trip with all stops is around 710 miles or 1150 km, taking roughly 11.5 hours for the whole trip.
Travelmath helps you figure out where to stop when planning a long road trip from one location to another. The best stopping point for an overnight hotel stay or a break from driving often depends on how far or how long you want to drive before pausing to rest. You can find the closest city to your stopping point to look for hotels, or explore other cities and towns along the route. Use this as a road trip planner when you're driving cross-country or mapping a route with multiple stops.