Stopping points from Portland Troutdale Airport to Roche Harbor Seaplane Base:

• Start from Portland Troutdale Airport
• 3 hours to Seattle, Washington after driving about 180 miles / 290 km
• 3.5 hours to Roche Harbor Seaplane Base after driving about 120 miles / 190 km

Your total trip with all stops is around 300 miles / 480 km, taking roughly 6.5 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 TTD and RCE.

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Stopping points from TTD to RCE

Start from Portland Troutdale Airport.

Seattle, Washington is stopping point #1 after driving about 180 miles (290 km) or 3 hours.

Finally, Roche Harbor Seaplane Base is your destination after driving about 120 miles (190 km) or 3.5 hours. Your total trip with all stops is around 300 miles or 480 km, taking roughly 6.5 hours for the whole trip.

Stopping point calculator

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.