| Watertown to Cortona | 4,167.56 mi (6,707.04 km) |
| Watertown to Cosenza | 4,507.78 mi (7,254.57 km) |
| Watertown to Cossato | 3,923.42 mi (6,314.13 km) |
| Watertown to Costa Volpino | 3,993.34 mi (6,426.65 km) |
| Watertown to Creazzo | 4,060.76 mi (6,535.17 km) |
| Watertown to Crema | 3,993.26 mi (6,426.53 km) |
| Watertown to Cremona | 4,016.25 mi (6,463.54 km) |
| Watertown to Crevalcore | 4,077.78 mi (6,562.55 km) |
| Watertown to Crispiano | 4,494.24 mi (7,232.77 km) |
| Watertown to Crosia | 4,518.33 mi (7,271.55 km) |
| Watertown to Crotone | 4,553.61 mi (7,328.33 km) |
| Watertown to Cuneo | 3,940.23 mi (6,341.19 km) |
| Watertown to Cuorgne | 3,908.29 mi (6,289.79 km) |
| Watertown to Cusano Milanino | 3,965.99 mi (6,382.65 km) |
| Watertown to Cutro | 4,550.09 mi (7,322.67 km) |
