Discover the top 5 things to do on a road trip from Castro Valley, CA to Seattle, WA. This scenic drive covers 1,191 miles and takes you through Redwood National and State Parks, Crater Lake National Park, Mount Rainier National Park, Olympic National Park, and ends at the iconic Space Needle in Seattle.

Discover the cost of a road trip from Castro Valley, California, to Seattle, Washington, and the most convenient and cost-effective routes for your journey.

Planning a road trip from Castro Valley to Seattle? Learn the different routes to take and estimated driving times based on traffic patterns to make the trip enjoyable.