| Skien to Culpeper (Virginia) | 3,905.72 mi (6,285.66 km) |
| Skien to Culver City (California) | 5,342.48 mi (8,597.88 km) |
| Skien to Cumberland (Maryland) | 3,866.43 mi (6,222.42 km) |
| Skien to Cupertino (California) | 5,216.20 mi (8,394.67 km) |
| Skien to Cutler Bay (Florida) | 4,710.50 mi (7,580.82 km) |
| Skien to Cutlerville (Michigan) | 3,913.37 mi (6,297.96 km) |
| Skien to Cuyahoga Falls (Ohio) | 3,873.92 mi (6,234.47 km) |
| Skien to Cypress (California) | 5,345.82 mi (8,603.27 km) |
| Skien to Cypress Gardens (Florida) | 4,617.04 mi (7,430.40 km) |
| Skien to Cypress Lake (Florida) | 4,708.56 mi (7,577.69 km) |
| Skien to D'Iberville (Mississippi) | 4,714.79 mi (7,587.73 km) |
| Skien to Dakota Ridge (Colorado) | 4,662.05 mi (7,502.85 km) |
| Skien to Dale City (Virginia) | 3,874.36 mi (6,235.18 km) |
| Skien to Dallas (Georgia) | 4,384.94 mi (7,056.88 km) |
| Skien to Dallas (Oregon) | 4,760.45 mi (7,661.20 km) |
