| Watertown Town to Cehegin | 3,568.26 mi (5,742.56 km) |
| Watertown Town to Cervello | 3,639.11 mi (5,856.58 km) |
| Watertown Town to Cervera | 3,598.95 mi (5,791.95 km) |
| Watertown Town to Ceuti | 3,593.94 mi (5,783.89 km) |
| Watertown Town to Cheste | 3,576.57 mi (5,755.93 km) |
| Watertown Town to Chiclana de la Frontera | 3,411.64 mi (5,490.50 km) |
| Watertown Town to Chipiona | 3,387.51 mi (5,451.66 km) |
| Watertown Town to Chiva | 3,575.16 mi (5,753.67 km) |
| Watertown Town to Churriana de la Vega | 3,509.72 mi (5,648.35 km) |
| Watertown Town to Ciempozuelos | 3,416.43 mi (5,498.21 km) |
| Watertown Town to Cieza | 3,581.68 mi (5,764.16 km) |
| Watertown Town to Cisterniga | 3,323.17 mi (5,348.13 km) |
| Watertown Town to Ciudad de Melilla | 3,606.51 mi (5,804.12 km) |
| Watertown Town to Ciudad Real | 3,438.32 mi (5,533.45 km) |
| Watertown Town to Ciudad-Rodrigo | 3,264.52 mi (5,253.74 km) |
