ICAO		IATA		Other		Location
				OR31		Hillsboro [Sohler's Holly Hill Airport], Oregon, US (48 mi / 77 km E)
				OG46		Hillsboro [Tuality Hospital Heliport], Oregon, US (49 mi / 78 km E)
				OG03		Astoria [Columbia Memorial Hospital Heliport], Oregon, US (49 mi / 79 km N)
				OR23		Astoria [Karpens Airport], Oregon, US (49 mi / 79 km N)
KHIO		HIO		HIO		Portland [Portland-Hillsboro Airport], Oregon, US (50 mi / 81 km E)
				64OR		Amity [Plum Valley Airport], Oregon, US (50 mi / 81 km SE)
				7S3		Hillsboro [Stark's Twin Oaks Airpark], Oregon, US (51 mi / 81 km E)
				1OR1		Newberg [Chehalem Mountain Heliport], Oregon, US (51 mi / 82 km E)
				2S6		Newberg [Sportsman Airpark], Oregon, US (51 mi / 83 km E)
				OG55		Newberg [Providence Newberg Medical Center Heliport], Oregon, US (52 mi / 84 km E)
				5OR3		Siletz, Oregon, US (52 mi / 84 km S)
				OR28		Beaverton [Harvey's Acres Airport], Oregon, US (53 mi / 85 km E)
				86OR		Beaverton [Amber Glen Business Center HP Heliport], Oregon, US (53 mi / 86 km E)
				OR00		Beaverton [Flying K Ranch Airport], Oregon, US (53 mi / 86 km E)
				28OR		Newberg [Parrett Mountain Airport], Oregon, US (54 mi / 86 km E)
				79WA		Cathlamet [RNR Farms Airport], Washington, US (56 mi / 89 km NE)
				WT44		Cathlamet [Michair Airport], Washington, US (56 mi / 90 km NE)
				0OR7		Monmouth [Marr Field], Oregon, US (56 mi / 90 km SE)
				OG34		Tigard [Meyer Riverside Airpark], Oregon, US (56 mi / 90 km E)
				8OR6		Scappoose [Grabhorn's Airport], Oregon, US (56 mi / 91 km E)