| River Forest to Cibolo (Texas) | 1,030.55 mi (1,658.51 km) |
| River Forest to Cicero (Illinois) | 4.66 mi (7.50 km) |
| River Forest to Cimarron Hills (Colorado) | 911.26 mi (1,466.53 km) |
| River Forest to Cincinnati (Ohio) | 257.81 mi (414.90 km) |
| River Forest to Cinco Ranch (Texas) | 949.38 mi (1,527.87 km) |
| River Forest to Circleville (Ohio) | 300.61 mi (483.78 km) |
| River Forest to Citrus (California) | 1,712.75 mi (2,756.41 km) |
| River Forest to Citrus Heights (California) | 1,766.26 mi (2,842.52 km) |
| River Forest to Citrus Park (Florida) | 999.75 mi (1,608.95 km) |
| River Forest to Claiborne (Louisiana) | 689.68 mi (1,109.94 km) |
| River Forest to Claremont (California) | 1,703.60 mi (2,741.67 km) |
| River Forest to Claremont (New Hampshire) | 792.45 mi (1,275.32 km) |
| River Forest to Claremore (Oklahoma) | 567.98 mi (914.07 km) |
| River Forest to Clarksburg (Maryland) | 583.43 mi (938.93 km) |
| River Forest to Clarksburg (West Virginia) | 432.44 mi (695.94 km) |
