ICAO		IATA		Other		Location
KONZ				ONZ		Detroit/Grosse Ile [Grosse Ile Muni], Michigan, US (36 mi / 58 km SW)
				75MI		Riley [Norton Field], Michigan, US (36 mi / 58 km N)
				CPP3		Blenheim, Ontario, CA (36 mi / 58 km E)
				51MI		Pontiac [Cass Lake-Cove Island SPB], Michigan, US (37 mi / 59 km W)
		XDX				Sarnia [Railway Station], Ontario, CA (37 mi / 59 km NE)
				0MI8		Trenton [Oakwood Southshore Medical Center Heliport], Michigan, US (37 mi / 60 km SW)
				4MI5		Ruby [BPS Heliport], Michigan, US (37 mi / 60 km N)
				21MI		Orchard Lake [Adams Heliport], Michigan, US (38 mi / 61 km W)
				7MI1		Orchard Lake [McPhail Heliport], Michigan, US (38 mi / 61 km W)
				73MI		Port Huron [McLaren Port Huron Heliport], Michigan, US (38 mi / 61 km N)
				2MI2		Livonia [St. Mary Mercy Hospital Heliport], Michigan, US (38 mi / 61 km W)
				MI33		Wayne [Beaumont Hospital Wayne Heliport], Michigan, US (38 mi / 62 km W)
				MI59		West Bloomfield [Cass Heliport], Michigan, US (38 mi / 62 km W)
				39G		Avoca, Michigan, US (39 mi / 63 km N)
KDTW		DTW		DTW		Detroit (Romulus) [Detroit Metropolitan Wayne County Airport], Michigan, US (39 mi / 63 km SW)
				CPD5		Petrolia, Ontario, CA (40 mi / 65 km NE)
				98MI		Huron Township [L & L Heliport], Michigan, US (41 mi / 65 km SW)
				MI01		Avoca [Fasel Field], Michigan, US (41 mi / 66 km N)
				9MI7		Novi [Glen Oaks Heliport], Michigan, US (41 mi / 66 km W)
KPTK		PTK		PTK		Pontiac [Oakland County Intl], Michigan, US (41 mi / 66 km W)