ICAO		IATA		Other		Location
KMRT				MRT		Marysville [Union County Airport], Ohio, US (43 mi / 69 km E)
KRID		RID		RID		Richmond [Muni], Indiana, US (43 mi / 69 km SW)
				I22		Winchester [Randolph County Airport], Indiana, US (43 mi / 70 km W)
				OH80		Lebanon [District Number 8 Heliport], Ohio, US (44 mi / 70 km S)
				OI85		Sabina [Beam Farms Airport], Ohio, US (44 mi / 71 km SE)
				1OH0		Wilmington [Clinton Memorial Hospital Heliport], Ohio, US (45 mi / 72 km S)
				9OI4		Wilmington [Quail Lakes Heliport], Ohio, US (45 mi / 73 km SE)
				2OH7		Collinsville [Pfeiffer Field], Ohio, US (45 mi / 73 km SW)
KAOH		AOH		AOH		Lima [Lima Allen County Airport], Ohio, US (46 mi / 73 km N)
				O74		Mount Victory [Elliott's Landing Airport], Ohio, US (46 mi / 74 km NE)
				I95		Kenton [Hardin County Airport], Ohio, US (46 mi / 74 km NE)
KILN		ILN		ILN		Wilmington [Wilmington Air Park], Ohio, US (47 mi / 75 km SE)
				9OA2		Oxford [Hueston Woods Lodge Heliport], Ohio, US (47 mi / 75 km SW)
				OH83		Lima [Lima Memorial Hospital Heliport], Ohio, US (47 mi / 76 km N)
				94OH		Lima [St. Rita's Medical Center Heliport], Ohio, US (47 mi / 76 km N)
				2B6		Wilmington [Hollister Field], Ohio, US (48 mi / 77 km SE)
				49OH		West Jefferson [Sky Ranch Airport], Ohio, US (48 mi / 77 km E)
				8II2		Liberty [Norris Field], Indiana, US (48 mi / 77 km SW)
				33OA		Liberty Township [Liberty EMS Heliport], Ohio, US (48 mi / 78 km S)
				71OH		Hamilton [The Christ Hospital Medical Center Heliport], Ohio, US (48 mi / 78 km S)