| Unterwellenborn to Clarkston (Georgia) | 4,682.95 mi (7,536.48 km) |
| Unterwellenborn to Clarksville (Indiana) | 4,514.94 mi (7,266.09 km) |
| Unterwellenborn to Clarksville (Tennessee) | 4,662.30 mi (7,503.25 km) |
| Unterwellenborn to Clawson (Michigan) | 4,211.77 mi (6,778.19 km) |
| Unterwellenborn to Clay (Alabama) | 4,780.94 mi (7,694.17 km) |
| Unterwellenborn to Clayton (California) | 5,693.63 mi (9,163.01 km) |
| Unterwellenborn to Clayton (Missouri) | 4,666.95 mi (7,510.72 km) |
| Unterwellenborn to Clayton (North Carolina) | 4,362.50 mi (7,020.76 km) |
| Unterwellenborn to Clayton (Ohio) | 4,384.59 mi (7,056.32 km) |
| Unterwellenborn to Clearfield (Utah) | 5,238.46 mi (8,430.49 km) |
| Unterwellenborn to Clearlake (California) | 5,648.83 mi (9,090.92 km) |
| Unterwellenborn to Clearwater (Florida) | 4,921.44 mi (7,920.29 km) |
| Unterwellenborn to Cleburne (Texas) | 5,255.56 mi (8,458.01 km) |
| Unterwellenborn to Clemmons (North Carolina) | 4,421.06 mi (7,115.01 km) |
| Unterwellenborn to Clemson (South Carolina) | 4,583.17 mi (7,375.90 km) |
