ICAO		IATA		Other		Location
KTZT				TZT		Belle Plaine [Muni], Iowa, US (1 mi / 2 km S)
				22IA		Marengo [Marengo Memorial Hospital Heliport], Iowa, US (12 mi / 20 km SE)
				09IA		Brooklyn [Skydive Iowa Airport], Iowa, US (12 mi / 20 km SW)
				8C5		Toledo [Muni], Iowa, US (15 mi / 25 km NW)
				53IA		Tama, Iowa, US (16 mi / 26 km W)
				59IA		Williamsburg [Bellevue Farms Airport], Iowa, US (22 mi / 35 km SE)
				C11		Amana, Iowa, US (22 mi / 36 km E)
				8C6		Traer [Muni], Iowa, US (23 mi / 37 km NW)
				06IA		Walford [Rich Field], Iowa, US (23 mi / 37 km E)
				IA78		Vinton [Virginia Gay Hospital Heliport], Iowa, US (24 mi / 38 km NE)
KVTI				VTI		Vinton [Vinton Veterans Memorial Airpark], Iowa, US (26 mi / 41 km NE)
				IA09		Grinnell [Grinnell Regional Medical Center Heliport], Iowa, US (26 mi / 42 km SW)
KGGI				GGI		Grinnell [Grinnell Regional], Iowa, US (27 mi / 43 km SW)
				7C5		Montezuma [Sig Field], Iowa, US (27 mi / 44 km SW)
KCID		CID		CID		Cedar Rapids [The Eastern Iowa Airport], Iowa, US (29 mi / 47 km E)
				IA12		Gibson [Mggenas Airport], Iowa, US (29 mi / 47 km S)
				IA42		Hudson [Ritel Copter Airstrip], Iowa, US (30 mi / 48 km N)
				IA24		Oxford [Green Castle Airport], Iowa, US (30 mi / 49 km E)
				89IA		Cedar Rapids [Chain Lakes Airpark], Iowa, US (31 mi / 50 km E)
				IA73		Cedar Rapids [St. Lukes Hospital Emergency Heliport], Iowa, US (32 mi / 52 km E)