| Slough to Cicero (Illinois) | 3,936.47 mi (6,335.14 km) |
| Slough to Cimarron Hills (Colorado) | 4,705.56 mi (7,572.87 km) |
| Slough to Cincinnati (Ohio) | 3,935.60 mi (6,333.74 km) |
| Slough to Cinco Ranch (Texas) | 4,846.97 mi (7,800.44 km) |
| Slough to Circleville (Ohio) | 3,851.73 mi (6,198.76 km) |
| Slough to Citrus (California) | 5,410.57 mi (8,707.47 km) |
| Slough to Citrus Heights (California) | 5,253.57 mi (8,454.81 km) |
| Slough to Citrus Park (Florida) | 4,392.70 mi (7,069.36 km) |
| Slough to Claiborne (Louisiana) | 4,562.32 mi (7,342.34 km) |
| Slough to Claremont (California) | 5,404.38 mi (8,697.51 km) |
| Slough to Claremont (New Hampshire) | 3,262.22 mi (5,250.04 km) |
| Slough to Claremore (Oklahoma) | 4,504.10 mi (7,248.64 km) |
| Slough to Clarksburg (Maryland) | 3,640.91 mi (5,859.47 km) |
| Slough to Clarksburg (West Virginia) | 3,761.97 mi (6,054.31 km) |
| Slough to Clarksdale (Mississippi) | 4,414.64 mi (7,104.67 km) |
