Your total trip with all stops is around 870 miles / 1400 km, taking roughly 15 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 MEL and UMR.
Start from Melbourne Airport.
Horsham, Australia is stopping point #1 after driving about 300 km (180 miles) or 3 hours.
Morphett Vale, Australia is stopping point #2 after driving about 450 km (280 miles) or 4.5 hours. Your total trip so far is about 740 km or 460 miles over roughly 8 hours of driving.
Whyalla, Australia is stopping point #3 after driving about 410 km (250 miles) or 4.5 hours. Your total trip so far is about 1150 km or 710 miles over roughly 12.5 hours of driving.
Finally, Woomera Airport is your destination after driving about 260 km (160 miles) or 2.5 hours. Your total trip with all stops is around 1400 km or 870 miles, taking roughly 15 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.