| Williamstown to Butzbach | 3,929.06 mi (6,323.22 km) |
| Williamstown to Buxtehude | 3,886.09 mi (6,254.07 km) |
| Williamstown to Cadolzburg | 4,046.70 mi (6,512.53 km) |
| Williamstown to Calbe | 4,009.65 mi (6,452.91 km) |
| Williamstown to Calw | 3,981.36 mi (6,407.37 km) |
| Williamstown to Castrop-Rauxel | 3,844.91 mi (6,187.79 km) |
| Williamstown to Celle | 3,923.84 mi (6,314.82 km) |
| Williamstown to Cham | 4,125.75 mi (6,639.75 km) |
| Williamstown to Chemnitz | 4,086.08 mi (6,575.92 km) |
| Williamstown to Clausthal-Zellerfeld | 3,956.63 mi (6,367.58 km) |
| Williamstown to Cloppenburg | 3,839.48 mi (6,179.05 km) |
| Williamstown to Coburg | 4,026.23 mi (6,479.59 km) |
| Williamstown to Coesfeld | 3,828.47 mi (6,161.32 km) |
| Williamstown to Cologne | 3,846.68 mi (6,190.63 km) |
| Williamstown to Coswig | 4,102.78 mi (6,602.79 km) |
