Your total trip with all stops is around 1,240 miles / 2000 km, taking roughly 18.5 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 Springfield, OH and Boulder, CO.
Start from Springfield, Ohio.
Saint Charles, Missouri is stopping point #1 after driving about 390 miles (620 km) or 6 hours.
Kansas City, Missouri is stopping point #2 after driving about 230 miles (370 km) or 3.5 hours. Your total trip so far is about 620 miles or 990 km over roughly 9.5 hours of driving.
Salina, Kansas is stopping point #3 after driving about 180 miles (280 km) or 2.5 hours. Your total trip so far is about 790 miles or 1270 km over roughly 12 hours of driving.
Finally, Boulder, Colorado is your destination after driving about 450 miles (730 km) or 6.5 hours. Your total trip with all stops is around 1,240 miles or 2000 km, taking roughly 18.5 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.