| Unterwellenborn to Carson (California) | 5,844.48 mi (9,405.79 km) |
| Unterwellenborn to Carson City (Nevada) | 5,564.06 mi (8,954.48 km) |
| Unterwellenborn to Carteret (New Jersey) | 3,962.58 mi (6,377.15 km) |
| Unterwellenborn to Cartersville (Georgia) | 4,686.97 mi (7,542.96 km) |
| Unterwellenborn to Carthage (Missouri) | 4,888.00 mi (7,866.47 km) |
| Unterwellenborn to Cary (Illinois) | 4,412.21 mi (7,100.77 km) |
| Unterwellenborn to Cary (North Carolina) | 4,371.25 mi (7,034.84 km) |
| Unterwellenborn to Casa de Oro-Mount Helix (California) | 5,872.21 mi (9,450.41 km) |
| Unterwellenborn to Casa Grande (Arizona) | 5,707.49 mi (9,185.33 km) |
| Unterwellenborn to Casas Adobes (Arizona) | 5,716.93 mi (9,200.50 km) |
| Unterwellenborn to Cascades (Virginia) | 4,158.15 mi (6,691.90 km) |
| Unterwellenborn to Casper (Wyoming) | 4,973.28 mi (8,003.71 km) |
| Unterwellenborn to Casselberry (Florida) | 4,827.63 mi (7,769.33 km) |
| Unterwellenborn to Castaic (California) | 5,816.14 mi (9,360.17 km) |
| Unterwellenborn to Castle Pines (Colorado) | 5,117.20 mi (8,235.34 km) |
