Airports 501 to 550
Diamond Point Airstrip
Walla Walla Regional Airport
Chewelah Municipal Airport
Columbia Gorge Regional Airport
Dallesport / The Dalles, Oregon, United States — 213 km (115 nm) SSW
Anacortes Airport
Providence Southgate Medical Park Heliport
Bade Rotor and Wing Svc. Heliport
Little Rock, Washington, United States — 214 km (115 nm) WSW