Your total trip with all stops is around 1,360 miles / 2190 km, taking roughly 20.5 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 DEN and SEA.
Start from Denver International Airport.
Rock Springs, Wyoming is stopping point #1 after driving about 360 miles (570 km) or 5 hours.
Boise, Idaho is stopping point #2 after driving about 480 miles (780 km) or 7 hours. Your total trip so far is about 840 miles or 1350 km over roughly 12 hours of driving.
Kennewick, Washington is stopping point #3 after driving about 290 miles (460 km) or 4.5 hours. Your total trip so far is about 1,130 miles or 1810 km over roughly 16.5 hours of driving.
Finally, Seattle-Tacoma International Airport is your destination after driving about 230 miles (370 km) or 3.5 hours. Your total trip with all stops is around 1,360 miles or 2190 km, taking roughly 20.5 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.