Your total trip with all stops is around 2,600 miles / 4180 km, taking roughly 39.5 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 Columbia, SC and Lewiston, ID.
Start from Columbia, South Carolina.
Nashville, Tennessee is stopping point #1 after driving about 440 miles (710 km) or 6.5 hours.
Kansas City, Missouri is stopping point #2 after driving about 560 miles (890 km) or 8 hours. Your total trip so far is about 1,000 miles or 1600 km over roughly 15 hours of driving.
Omaha, Nebraska is stopping point #3 after driving about 190 miles (300 km) or 3 hours. Your total trip so far is about 1,180 miles or 1900 km over roughly 17.5 hours of driving.
Sioux Falls, South Dakota is stopping point #4 after driving about 180 miles (290 km) or 2.5 hours. Your total trip so far is about 1,370 miles or 2200 km over roughly 20 hours of driving.
Rapid City, South Dakota is stopping point #5 after driving about 350 miles (560 km) or 5 hours. Your total trip so far is about 1,720 miles or 2760 km over roughly 25 hours of driving.
Billings, Montana is stopping point #6 after driving about 320 miles (510 km) or 5 hours. Your total trip so far is about 2,030 miles or 3270 km over roughly 30 hours of driving.
Butte, Montana is stopping point #7 after driving about 230 miles (370 km) or 3.5 hours. Your total trip so far is about 2,260 miles or 3640 km over roughly 33.5 hours of driving.
Finally, Lewiston, Idaho is your destination after driving about 340 miles (540 km) or 6 hours. Your total trip with all stops is around 2,600 miles or 4180 km, taking roughly 39.5 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.