The journey from Seaside to Seattle covers approximately 1,300 kilometers. The most practical way to travel is by flying from Monterey Regional Airport (MRY) to Seattle-Tacoma International Airport (SEA) with a connection. Driving is a long, multi-day journey via I-5 North. This route takes you from the California coast to the lush Pacific Northwest.
Total Distance: Driving distance 1,300 km; Air distance 1,100 km.
Connecting flights are the most practical option.
Summer for the best weather.