| Watertown Town to Cortona | 4,025.75 mi (6,478.81 km) |
| Watertown Town to Cosenza | 4,359.47 mi (7,015.88 km) |
| Watertown Town to Cossato | 3,784.24 mi (6,090.15 km) |
| Watertown Town to Costa Volpino | 3,858.37 mi (6,209.45 km) |
| Watertown Town to Creazzo | 3,926.89 mi (6,319.72 km) |
| Watertown Town to Crema | 3,855.73 mi (6,205.20 km) |
| Watertown Town to Cremona | 3,878.36 mi (6,241.62 km) |
| Watertown Town to Crevalcore | 3,940.10 mi (6,340.98 km) |
| Watertown Town to Crispiano | 4,352.28 mi (7,004.32 km) |
| Watertown Town to Crosia | 4,371.92 mi (7,035.92 km) |
| Watertown Town to Crotone | 4,406.23 mi (7,091.14 km) |
| Watertown Town to Cuneo | 3,795.24 mi (6,107.85 km) |
| Watertown Town to Cuorgne | 3,767.56 mi (6,063.30 km) |
| Watertown Town to Cusano Milanino | 3,828.39 mi (6,161.20 km) |
| Watertown Town to Cutro | 4,402.28 mi (7,084.78 km) |
