| Clarksburg to Butzbach | 4,041.78 mi (6,504.61 km) |
| Clarksburg to Buxtehude | 3,995.02 mi (6,429.36 km) |
| Clarksburg to Cadolzburg | 4,159.73 mi (6,694.44 km) |
| Clarksburg to Calbe | 4,119.75 mi (6,630.10 km) |
| Clarksburg to Calw | 4,095.80 mi (6,591.56 km) |
| Clarksburg to Castrop-Rauxel | 3,956.82 mi (6,367.88 km) |
| Clarksburg to Celle | 4,033.66 mi (6,491.56 km) |
| Clarksburg to Cham | 4,238.42 mi (6,821.08 km) |
| Clarksburg to Chemnitz | 4,196.98 mi (6,754.38 km) |
| Clarksburg to Clausthal-Zellerfeld | 4,067.32 mi (6,545.71 km) |
| Clarksburg to Cloppenburg | 3,949.67 mi (6,356.38 km) |
| Clarksburg to Coburg | 4,138.39 mi (6,660.09 km) |
| Clarksburg to Coesfeld | 3,939.96 mi (6,340.76 km) |
| Clarksburg to Cologne | 3,959.37 mi (6,371.99 km) |
| Clarksburg to Coswig | 4,213.12 mi (6,780.36 km) |
