| Skien to Cicero (Illinois) | 4,032.51 mi (6,489.69 km) |
| Skien to Cimarron Hills (Colorado) | 4,695.67 mi (7,556.95 km) |
| Skien to Cincinnati (Ohio) | 4,080.61 mi (6,567.11 km) |
| Skien to Cinco Ranch (Texas) | 4,975.88 mi (8,007.91 km) |
| Skien to Circleville (Ohio) | 4,004.55 mi (6,444.70 km) |
| Skien to Citrus (California) | 5,323.48 mi (8,567.31 km) |
| Skien to Citrus Heights (California) | 5,112.42 mi (8,227.65 km) |
| Skien to Citrus Park (Florida) | 4,642.78 mi (7,471.84 km) |
| Skien to Claiborne (Louisiana) | 4,700.32 mi (7,564.43 km) |
| Skien to Claremont (California) | 5,318.70 mi (8,559.63 km) |
| Skien to Claremont (New Hampshire) | 3,456.18 mi (5,562.18 km) |
| Skien to Claremore (Oklahoma) | 4,585.65 mi (7,379.89 km) |
| Skien to Clarksburg (Maryland) | 3,840.34 mi (6,180.43 km) |
| Skien to Clarksburg (West Virginia) | 3,937.60 mi (6,336.95 km) |
| Skien to Clarksdale (Mississippi) | 4,553.17 mi (7,327.63 km) |
