| Watertown Town to Chojnice | 3,899.48 mi (6,275.60 km) |
| Watertown Town to Chojnow | 3,917.70 mi (6,304.92 km) |
| Watertown Town to Chorzow | 4,065.31 mi (6,542.48 km) |
| Watertown Town to Choszczno | 3,838.05 mi (6,176.75 km) |
| Watertown Town to Chrzanow | 4,088.29 mi (6,579.47 km) |
| Watertown Town to Ciechanow | 4,038.81 mi (6,499.84 km) |
| Watertown Town to Ciechocinek | 3,971.02 mi (6,390.75 km) |
| Watertown Town to Cieszyn | 4,072.38 mi (6,553.86 km) |
| Watertown Town to Czarna Bialostocka | 4,118.17 mi (6,627.55 km) |
| Watertown Town to Czarnkow | 3,888.99 mi (6,258.73 km) |
| Watertown Town to Czechowice-Dziedzice | 4,080.99 mi (6,567.73 km) |
| Watertown Town to Czeladz | 4,069.22 mi (6,548.78 km) |
| Watertown Town to Czersk Pomorski | 3,911.83 mi (6,295.49 km) |
| Watertown Town to Czestochowa | 4,054.24 mi (6,524.67 km) |
| Watertown Town to Czluchow | 3,893.89 mi (6,266.61 km) |
