Your total trip with all stops is around 1,550 miles / 2500 km, taking roughly 22.5 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 Conroe, TX.
Start from Billings, Montana.
Cheyenne, Wyoming is stopping point #1 after driving about 450 miles (730 km) or 6.5 hours.
Amarillo, Texas is stopping point #2 after driving about 530 miles (860 km) or 8 hours. Your total trip so far is about 990 miles or 1590 km over roughly 14 hours of driving.
Dallas, Texas is stopping point #3 after driving about 370 miles (590 km) or 5.5 hours. Your total trip so far is about 1,350 miles or 2170 km over roughly 20 hours of driving.
Finally, Conroe, Texas is your destination after driving about 200 miles (320 km) or 3 hours. Your total trip with all stops is around 1,550 miles or 2500 km, taking roughly 22.5 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.