ICAO		IATA		Other		Location
KTTD		TTD		TTD		Portland [Portland-Troutdale Airport], Oregon, US (43 mi / 69 km SE)
				OR59		Yamhill [Trivelpiece Airport], Oregon, US (43 mi / 69 km S)
				17S		Newberg [Chehalem Airpark], Oregon, US (43 mi / 70 km S)
				WN59		Onalaska [Nelsons Nitch Airport], Washington, US (44 mi / 71 km NE)
				0WA2		Curtis, Washington, US (44 mi / 71 km N)
				56OR		Gresham [Mount Hood Medical Center Heliport], Oregon, US (44 mi / 71 km SE)
				3S7		Manzanita [Nehalem Bay State Airport], Oregon, US (45 mi / 72 km SW)
				OG55		Newberg [Providence Newberg Medical Center Heliport], Oregon, US (45 mi / 72 km S)
				28OR		Newberg [Parrett Mountain Airport], Oregon, US (45 mi / 72 km S)
				WA01		Naselle [Wirkkala Airport], Washington, US (45 mi / 73 km NW)
				FA99		Chehalis [Fantasy Field Airstrip], Washington, US (45 mi / 73 km N)
				34WA		Washougal [Orbit Heliport], Washington, US (45 mi / 73 km SE)
				2S6		Newberg [Sportsman Airpark], Oregon, US (46 mi / 73 km S)
				57OR		West Linn [Wilson Helispot Heliport], Oregon, US (46 mi / 74 km SE)
				92OR		West Linn [Falcon Point Heliport], Oregon, US (47 mi / 75 km SE)
				6WA1		Camas [Sampson Heliport], Washington, US (47 mi / 76 km SE)
				SHNM		Mount St. Helens National Volcanic Monument [Mount St. Helens NM], Washington, US (47 mi / 76 km NE)
				1OR9		Oregon City [Providence Willamette Falls Medical Center Heliport], Oregon, US (47 mi / 76 km SE)
				0WA1		Chehalis [Dwight Field], Washington, US (48 mi / 77 km N)
				WA63		Washougal [Pleasant Farm Airport], Washington, US (48 mi / 77 km SE)