The drive from Ponca City to Seattle is approximately 2,000 miles northwest. You will take US-60 to I-35 north to Kansas City, then I-29 and I-90 west across the plains and mountains to Seattle. This is a very long drive. Expect a significant change in landscape from plains to mountains to forests.
Total Distance: Driving distance 3,200 km; Air distance 2,600 km.
The drive through the mountains is scenic.
Summer for mountain access or Fall for foliage.