ICAO		IATA		Other		Location
				GRPO		Grand Portage National Monument [Grand Portage NM], Minnesota, US (6 mi / 9 km W)
				CML5		Thunder Bay [Thunder Bay (Martin's Landing) Aerodrome], Ontario, CA (20 mi / 32 km N)
				CKG8		Kakabeka Falls, Ontario, CA (28 mi / 45 km N)
CYQT		YQT				Thunder Bay [Intl], Ontario, CA (28 mi / 46 km NE)
				CTB2		Thunder Bay [Thunder Bay Health Science Centre Heliport], Ontario, CA (33 mi / 53 km NE)
				CKE6		Thunder Bay [Thunder Bay Water Aerodrome], Ontario, CA (37 mi / 59 km NE)
KCKC		GRM		CKC		Grand Marais [Grand Marais/Cook County Airport], Minnesota, US (38 mi / 61 km W)
				80MN		Grand Marais [North Shore Health Heliport], Minnesota, US (38 mi / 61 km SW)
				0G5		Grand Marais [Grand Marais/Cook County SPB], Minnesota, US (39 mi / 63 km W)
CWAB						Trowbridge (MAPS), Ontario, CA (40 mi / 64 km NE)
				ISRO		Isle Royale National Park [Isle Royale NP], Michigan, US (50 mi / 80 km E)
				83MN		Grand Marais [Loon Lake SPB], Minnesota, US (51 mi / 82 km W)
				M56		Grand Marais [Gunflint Lodge SPB], Minnesota, US (53 mi / 85 km W)
				CED8		Thunder Bay [Eldorado Aerodrome], Ontario, CA (53 mi / 86 km NE)
				CKF5		Kashabowie [Upper Shebandowan Lake Water Aerodrome], Ontario, CA (57 mi / 92 km NW)
				CJT7		Upsala [Cushing Lake Water Aerodrome], Ontario, CA (77 mi / 123 km NW)
KCMX		CMX		CMX		Hancock [Houghton County Memorial Airport], Michigan, US (78 mi / 126 km SE)
CWDV						Upsala (MARS), Ontario, CA (81 mi / 130 km NW)
KOGM				OGM		Ontonagon [Ontonagon County/Schuster Field], Michigan, US (81 mi / 131 km S)
				CKL8		Upsala [Upsala Heliport], Ontario, CA (82 mi / 132 km NW)