ICAO		IATA		Other		Location
				OR00		Beaverton [Flying K Ranch Airport], Oregon, US (24 mi / 39 km W)
				4S9		Portland-Mulino [Mulino State Airport], Oregon, US (24 mi / 39 km S)
				OR28		Beaverton [Harvey's Acres Airport], Oregon, US (24 mi / 39 km W)
				WA80		Amboy [McClellan Field], Washington, US (25 mi / 41 km N)
				OR68		Aurora [Columbia Helicopters Heliport], Oregon, US (26 mi / 42 km SW)
				WA29		La Center [La Center View-Air Airport], Washington, US (26 mi / 42 km N)
				OR41		Canby [Workman Airpark], Oregon, US (26 mi / 42 km SW)
KHIO		HIO		HIO		Portland [Portland-Hillsboro Airport], Oregon, US (26 mi / 42 km W)
KUAO				UAO		Aurora [Aurora State Airport], Oregon, US (27 mi / 43 km SW)
				OR24		Aurora [HTS Aurora Heliport], Oregon, US (27 mi / 43 km SW)
				44OR		Canby [Compton Airport], Oregon, US (27 mi / 43 km SW)
				7S3		Hillsboro [Stark's Twin Oaks Airpark], Oregon, US (27 mi / 43 km W)
KSPB				SPB		Scappoose, Oregon, US (27 mi / 44 km NW)
				WA79		Amboy [Walter Suttons Strip], Washington, US (27 mi / 44 km N)
KCZK		CZK		CZK		Cascade Locks [Cascade Locks State Airport], Oregon, US (27 mi / 44 km E)
				OG46		Hillsboro [Tuality Hospital Heliport], Oregon, US (28 mi / 45 km W)
				19WA		Stevenson [Key Way Airport], Washington, US (28 mi / 45 km NE)
				28OR		Newberg [Parrett Mountain Airport], Oregon, US (29 mi / 46 km SW)
				8OR6		Scappoose [Grabhorn's Airport], Oregon, US (29 mi / 46 km NW)
				OL05		Molalla [Skydive Oregon Airport], Oregon, US (29 mi / 47 km S)