Your total trip with all stops is around 1,150 miles / 1840 km, taking roughly 17.5 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 LAS and SEA.
Start from Harry Reid International Airport.
Boise, Idaho is stopping point #1 after driving about 640 miles (1020 km) or 9.5 hours.
Yakima, Washington is stopping point #2 after driving about 360 miles (580 km) or 5.5 hours. Your total trip so far is about 1,000 miles or 1600 km over roughly 15 hours of driving.
Finally, Seattle-Tacoma International Airport is your destination after driving about 150 miles (240 km) or 2.5 hours. Your total trip with all stops is around 1,150 miles or 1840 km, taking roughly 17.5 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.