ICAO		IATA		Other		Location
KPHN		PHN		PHN		Port Huron [St. Clair County Intl], Michigan, US (50 mi / 80 km NE)
KDUH				DUH		Lambertville [Toledo Suburban Airport], Michigan, US (50 mi / 81 km SW)
				44G		Blissfield [Betz Airport], Michigan, US (50 mi / 81 km SW)
				65G		Fowlerville [Maple Grove Airport], Michigan, US (51 mi / 82 km NW)
				E66		Fowlerville [Maple Grove Heliport], Michigan, US (51 mi / 82 km NW)
				CPG8		Chatham-Kent [Chatham Public General Hospital Heliport], Ontario, CA (51 mi / 82 km E)
				4MI0		Adrian [Promedica Hickman Hospital Heliport], Michigan, US (51 mi / 82 km SW)
				3W9		Middle Bass Island [Middle Bass-East Point Airport], Ohio, US (51 mi / 82 km SE)
				58OH		Put-in-Bay [Rattlesnake Island Airport], Ohio, US (51 mi / 82 km S)
				3T7		Middle Bass Island, Ohio, US (51 mi / 82 km S)
				OI53		Toledo [St. Vincent Hospital & Medical Center Heliport], Ohio, US (52 mi / 84 km S)
				9MI4		Durand [Waite Field], Michigan, US (52 mi / 84 km NW)
				MI04		Flint [McLaren Flint Heliport], Michigan, US (52 mi / 84 km NW)
				39G		Avoca, Michigan, US (52 mi / 84 km NE)
CWNB						S.E. Shoal (MAPS), Ontario, CA (52 mi / 84 km SE)
				48G		Yale [Gavagan Field], Michigan, US (53 mi / 85 km N)
				6OI6		Toledo [Toledo Hospital Heliport], Ohio, US (53 mi / 85 km SW)
				6T2		Toledo [Seagate Helistop], Ohio, US (53 mi / 85 km S)
				4MI5		Ruby [BPS Heliport], Michigan, US (53 mi / 85 km NE)
				4OI0		Sylvania [Flower Hospital Heliport], Ohio, US (53 mi / 85 km SW)