I am 100% positive that I-90 runs both east and west. 🙂
Seattle to Spokane – 4 1/2 hours, 270 miles
Yakima to Spokane – 3 hours, 200 miles
Kennewick to Spokane – 2 hours, 140 miles
Coeur d’Alene to Spokane – 38 minutes
And we here in Spokane have lots of motels!! Or ask a friend for a B&B (bunk and bathroom)!!