| Park Forest to Johnstown (Pennsylvania) | 464.54 mi (747.60 km) |
| Park Forest to Joliet (Illinois) | 24.11 mi (38.80 km) |
| Park Forest to Jonesboro (Arkansas) | 423.05 mi (680.83 km) |
| Park Forest to Joplin (Missouri) | 474.63 mi (763.84 km) |
| Park Forest to Joppatowne (Maryland) | 612.30 mi (985.40 km) |
| Park Forest to Juana Díaz (Puerto Rico) | 2,045.67 mi (3,292.18 km) |
| Park Forest to Junction City (Kansas) | 511.80 mi (823.66 km) |
| Park Forest to Juneau (Alaska) | 2,311.23 mi (3,719.57 km) |
| Park Forest to Jupiter (Florida) | 1,094.12 mi (1,760.81 km) |
| Park Forest to Jupiter Farms (Florida) | 1,091.62 mi (1,756.80 km) |
| Park Forest to Jurupa Valley (California) | 1,697.69 mi (2,732.16 km) |
| Park Forest to Justice (Illinois) | 20.02 mi (32.21 km) |
| Park Forest to Kahului (Hawaii) | 4,193.75 mi (6,749.19 km) |
| Park Forest to Kailua (Hawaii) | 4,238.35 mi (6,820.97 km) |
| Park Forest to Kalamazoo (Michigan) | 121.07 mi (194.84 km) |
