Your total trip with all stops is around 1,410 miles / 2260 km, taking roughly 20.5 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 Duluth, MN and San Antonio, TX.
Start from Duluth, Minnesota.
Kansas City, Missouri is stopping point #1 after driving about 590 miles (940 km) or 8.5 hours.
Oklahoma City, Oklahoma is stopping point #2 after driving about 350 miles (570 km) or 5 hours. Your total trip so far is about 940 miles or 1510 km over roughly 13.5 hours of driving.
Fort Worth, Texas is stopping point #3 after driving about 200 miles (320 km) or 3 hours. Your total trip so far is about 1,140 miles or 1840 km over roughly 16.5 hours of driving.
Finally, San Antonio, Texas is your destination after driving about 270 miles (430 km) or 4 hours. Your total trip with all stops is around 1,410 miles or 2260 km, taking roughly 20.5 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.