| Watertown to Butzbach | 3,775.64 mi (6,076.31 km) |
| Watertown to Buxtehude | 3,716.50 mi (5,981.13 km) |
| Watertown to Cadolzburg | 3,894.51 mi (6,267.61 km) |
| Watertown to Calbe | 3,844.56 mi (6,187.22 km) |
| Watertown to Calw | 3,836.21 mi (6,173.79 km) |
| Watertown to Castrop-Rauxel | 3,688.00 mi (5,935.27 km) |
| Watertown to Celle | 3,757.79 mi (6,047.58 km) |
| Watertown to Cham | 3,971.69 mi (6,391.81 km) |
| Watertown to Chemnitz | 3,924.19 mi (6,315.37 km) |
| Watertown to Clausthal-Zellerfeld | 3,794.12 mi (6,106.04 km) |
| Watertown to Cloppenburg | 3,675.13 mi (5,914.55 km) |
| Watertown to Coburg | 3,870.03 mi (6,228.21 km) |
| Watertown to Coesfeld | 3,669.78 mi (5,905.94 km) |
| Watertown to Cologne | 3,693.36 mi (5,943.89 km) |
| Watertown to Coswig | 3,938.48 mi (6,338.37 km) |
