| River Forest to Johnstown (Pennsylvania) | 475.59 mi (765.38 km) |
| River Forest to Joliet (Illinois) | 31.08 mi (50.03 km) |
| River Forest to Jonesboro (Arkansas) | 446.90 mi (719.22 km) |
| River Forest to Joplin (Missouri) | 487.41 mi (784.41 km) |
| River Forest to Joppatowne (Maryland) | 624.43 mi (1,004.92 km) |
| River Forest to Juana Díaz (Puerto Rico) | 2,070.99 mi (3,332.93 km) |
| River Forest to Junction City (Kansas) | 514.11 mi (827.38 km) |
| River Forest to Juneau (Alaska) | 2,285.86 mi (3,678.73 km) |
| River Forest to Jupiter (Florida) | 1,122.85 mi (1,807.05 km) |
| River Forest to Jupiter Farms (Florida) | 1,120.39 mi (1,803.09 km) |
| River Forest to Jurupa Valley (California) | 1,695.12 mi (2,728.04 km) |
| River Forest to Justice (Illinois) | 10.08 mi (16.23 km) |
| River Forest to Kahului (Hawaii) | 4,185.59 mi (6,736.05 km) |
| River Forest to Kailua (Hawaii) | 4,229.55 mi (6,806.81 km) |
| River Forest to Kalamazoo (Michigan) | 117.38 mi (188.90 km) |
