Your total trip with all stops is around 1,030 miles / 1660 km, taking roughly 16.5 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 Meridian, ID and Casa Grande, AZ.
Start from Meridian, Idaho.
Twin Falls, Idaho is stopping point #1 after driving about 140 miles (220 km) or 2 hours.
Las Vegas, Nevada is stopping point #2 after driving about 500 miles (800 km) or 7.5 hours. Your total trip so far is about 630 miles or 1020 km over roughly 10 hours of driving.
Lake Havasu City, Arizona is stopping point #3 after driving about 150 miles (250 km) or 2.5 hours. Your total trip so far is about 790 miles or 1260 km over roughly 12.5 hours of driving.
Finally, Casa Grande, Arizona is your destination after driving about 250 miles (400 km) or 4 hours. Your total trip with all stops is around 1,030 miles or 1660 km, taking roughly 16.5 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.