| Park Forest to Cloverleaf (Texas) | 909.85 mi (1,464.26 km) |
| Park Forest to Cloverly (Maryland) | 586.19 mi (943.38 km) |
| Park Forest to Clovis (California) | 1,733.92 mi (2,790.47 km) |
| Park Forest to Clovis (New Mexico) | 972.72 mi (1,565.43 km) |
| Park Forest to Clute (Texas) | 963.33 mi (1,550.33 km) |
| Park Forest to Coachella (California) | 1,639.53 mi (2,638.58 km) |
| Park Forest to Coalinga (California) | 1,784.31 mi (2,871.57 km) |
| Park Forest to Coamo (Puerto Rico) | 2,049.39 mi (3,298.18 km) |
| Park Forest to Coatesville (Pennsylvania) | 629.32 mi (1,012.79 km) |
| Park Forest to Cockeysville (Maryland) | 596.87 mi (960.56 km) |
| Park Forest to Cocoa (Florida) | 985.45 mi (1,585.93 km) |
| Park Forest to Cocoa Beach (Florida) | 991.76 mi (1,596.08 km) |
| Park Forest to Coconut Creek (Florida) | 1,133.89 mi (1,824.83 km) |
| Park Forest to Coeur d'Alene (Idaho) | 1,485.26 mi (2,390.30 km) |
| Park Forest to Cohoes (New York) | 721.02 mi (1,160.37 km) |
