ICAO		IATA		Other		Location
KHIO		HIO		HIO		Portland [Portland-Hillsboro Airport], Oregon, US (17 mi / 28 km W)
				OR28		Beaverton [Harvey's Acres Airport], Oregon, US (18 mi / 28 km SW)
				57OR		West Linn [Wilson Helispot Heliport], Oregon, US (18 mi / 28 km S)
				92OR		West Linn [Falcon Point Heliport], Oregon, US (18 mi / 29 km S)
KSPB				SPB		Scappoose, Oregon, US (18 mi / 29 km NW)
				59AS		Battle Ground [Becker Field], Washington, US (18 mi / 29 km N)
				OG20		Oregon City [Fairways Airport], Oregon, US (19 mi / 30 km S)
				OG30		Oregon City [Aeroacres Airport], Oregon, US (19 mi / 30 km S)
				OR50		Corbett [Lehman Field], Oregon, US (19 mi / 31 km E)
				OG46		Hillsboro [Tuality Hospital Heliport], Oregon, US (19 mi / 31 km W)
				4OR6		Sandy [Stargazer Field], Oregon, US (19 mi / 31 km SE)
				7OR9		Oregon City [Parson Landing Airport], Oregon, US (19 mi / 31 km S)
				4WA1		Skamania [Brown's Cape Horn Airport], Washington, US (19 mi / 31 km E)
				8OR6		Scappoose [Grabhorn's Airport], Oregon, US (20 mi / 32 km NW)
				6WA1		Camas [Sampson Heliport], Washington, US (20 mi / 32 km E)
				OR76		Estacada [Cider Run Airport], Oregon, US (20 mi / 32 km SE)
				1OR3		North Plains [Sunset Airstrip], Oregon, US (20 mi / 32 km W)
				7S3		Hillsboro [Stark's Twin Oaks Airpark], Oregon, US (20 mi / 32 km SW)
				20OR		Redland [Warner's Airport], Oregon, US (20 mi / 32 km SE)
				WA78		Washougal [Sky River Ranch Airport], Washington, US (20 mi / 33 km E)