| Prospect Heights to Jeffersontown (Kentucky) | 296.72 mi (477.52 km) |
| Prospect Heights to Jeffersonville (Indiana) | 285.43 mi (459.35 km) |
| Prospect Heights to Jenison (Michigan) | 120.47 mi (193.87 km) |
| Prospect Heights to Jenks (Oklahoma) | 603.12 mi (970.63 km) |
| Prospect Heights to Jennings (Missouri) | 263.96 mi (424.80 km) |
| Prospect Heights to Jensen Beach (Florida) | 1,114.52 mi (1,793.64 km) |
| Prospect Heights to Jericho (New York) | 749.64 mi (1,206.44 km) |
| Prospect Heights to Jerome (Idaho) | 1,351.46 mi (2,174.96 km) |
| Prospect Heights to Jersey City (New Jersey) | 723.64 mi (1,164.59 km) |
| Prospect Heights to Jessup (Maryland) | 618.74 mi (995.76 km) |
| Prospect Heights to Johns Creek (Georgia) | 593.11 mi (954.52 km) |
| Prospect Heights to Johnson City (New York) | 612.73 mi (986.09 km) |
| Prospect Heights to Johnson City (Tennessee) | 496.43 mi (798.93 km) |
| Prospect Heights to Johnston (Iowa) | 299.42 mi (481.87 km) |
| Prospect Heights to Johnstown (Colorado) | 891.27 mi (1,434.37 km) |
