ICAO		IATA		Other		Location
				LL08		Princeton [Advanced Asphalt Heliport], Illinois, US (45 mi / 72 km NE)
				IS67		Princeton [Osf St. Clare Hospital Heliport], Illinois, US (45 mi / 72 km NE)
				2IS4		Illinois City [Ritter Field], Illinois, US (45 mi / 72 km NW)
				IL58		Princeton [Jonathan and Julianne Mabry Heliport], Illinois, US (45 mi / 73 km NE)
				IA88		McCausland [Quiet Valley Heliport], Iowa, US (45 mi / 73 km N)
				69LL		New Boston [Maas Airstrip], Illinois, US (45 mi / 73 km W)
				4IL5		Morrison [Frank's Flying Service Airport], Illinois, US (46 mi / 75 km N)
				IL45		Manito [Palmer Flying Service Inc. Airport], Illinois, US (47 mi / 75 km SE)
				IL76		Walnut [Wilt Airport], Illinois, US (47 mi / 76 km NE)
				LL27		Macomb [Blythe Field], Illinois, US (48 mi / 77 km SW)
				IL83		Walnut [Fisch Airport], Illinois, US (49 mi / 78 km NE)
				0IS3		Deer Grove [Cady Aerial Airport], Illinois, US (49 mi / 79 km NE)
				46IL		Macomb [McDonough District Hospital Heliport], Illinois, US (49 mi / 79 km SW)
				34IL		Lewistown [G Bray Airport], Illinois, US (50 mi / 80 km S)
				IA68		Stockton [Workman Airfield], Iowa, US (50 mi / 80 km NW)
				C15		Pekin [Muni], Illinois, US (50 mi / 80 km SE)
				8IA0		Muscatine [Unity Healthcare Heliport], Iowa, US (50 mi / 80 km NW)
				IS55		La Harpe [Morton Airport], Illinois, US (50 mi / 81 km SW)
				72LL		Princeton [Foley Airport], Illinois, US (50 mi / 81 km NE)
				58IA		Burlington [Diewold Airport], Iowa, US (51 mi / 82 km W)