| Skien to Carson (California) | 5,349.72 mi (8,609.55 km) |
| Skien to Carson City (Nevada) | 5,049.82 mi (8,126.90 km) |
| Skien to Carteret (New Jersey) | 3,666.09 mi (5,900.00 km) |
| Skien to Cartersville (Georgia) | 4,369.48 mi (7,031.99 km) |
| Skien to Carthage (Missouri) | 4,498.45 mi (7,239.55 km) |
| Skien to Cary (Illinois) | 4,027.07 mi (6,480.95 km) |
| Skien to Cary (North Carolina) | 4,080.96 mi (6,567.67 km) |
| Skien to Casa de Oro-Mount Helix (California) | 5,386.08 mi (8,668.05 km) |
| Skien to Casa Grande (Arizona) | 5,245.42 mi (8,441.69 km) |
| Skien to Casas Adobes (Arizona) | 5,260.43 mi (8,465.85 km) |
| Skien to Cascades (Virginia) | 3,854.04 mi (6,202.48 km) |
| Skien to Casper (Wyoming) | 4,501.08 mi (7,243.80 km) |
| Skien to Casselberry (Florida) | 4,566.91 mi (7,349.74 km) |
| Skien to Castaic (California) | 5,318.07 mi (8,558.61 km) |
| Skien to Castle Pines (Colorado) | 4,664.32 mi (7,506.50 km) |
