Your total trip with all stops is around 850 miles / 1370 km, taking roughly 13.5 hours for the whole trip. If you want to see every small town along the way, you can get a full list of cities between Billings, MT and Duluth, MN.
Start from Billings, Montana.
Miles City, Montana is stopping point #1 after driving about 140 miles (230 km) or 2 hours.
Bismarck, North Dakota is stopping point #2 after driving about 270 miles (430 km) or 4 hours. Your total trip so far is about 410 miles or 670 km over roughly 6 hours of driving.
Fargo, North Dakota is stopping point #3 after driving about 200 miles (320 km) or 3 hours. Your total trip so far is about 610 miles or 980 km over roughly 9 hours of driving.
Finally, Duluth, Minnesota is your destination after driving about 240 miles (390 km) or 4.5 hours. Your total trip with all stops is around 850 miles or 1370 km, taking roughly 13.5 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.