Your total trip with all stops is around 930 miles / 1500 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 Saint George, UT and Pasco, WA.
Start from Saint George, Utah.
Provo, Utah is stopping point #1 after driving about 260 miles (420 km) or 3.5 hours.
Boise, Idaho is stopping point #2 after driving about 380 miles (620 km) or 5.5 hours. Your total trip so far is about 640 miles or 1030 km over roughly 9 hours of driving.
Finally, Pasco, Washington is your destination after driving about 290 miles (470 km) or 4.5 hours. Your total trip with all stops is around 930 miles or 1500 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.