From PDX Airport

Distance: 90 miles / Approximate time: 2 hours
The road leaving the terminal is Airport Way. Follow Airport Way to Interstate 205 South. Go south on I-205 for 3 miles to Exit 21B – Interstate 84 (Banfield Highway). Take I-84 West toward downtown Portland for 6 miles. Exit on your left to I-5 South. Take I-5 for 1.5 miles across the bridge, exiting left onto Interstate 405 North. Take I-405 for 1.5 miles to Exit 1D (right) to Highway 26 – Sunset Highway. Take Highway 26 west for 75 miles to Highway 101 at the coast. Go 1.5 miles north on Highway 101 to Seaside.

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From I-5 North / Seattle

Distance: 210 miles / Approximate time: 3.5 hours
Take the Longview Exit #36. As you head west into Longview, stay on the main road for several miles to a set of lights. Take a left at the second light, following the signs to Oregon. You are about 70 miles from Seaside at this point. Cross the mighty Columbia River on the big bridge and head west (right) on Highway 30 for 45 miles to Astoria. Highway 30 becomes Highway 101 at Astoria. Follow Highway 101 south through Astoria to Seaside.