| Watertown Town to Cabestany | 3,643.82 mi (5,864.15 km) |
| Watertown Town to Cabries | 3,729.51 mi (6,002.06 km) |
| Watertown Town to Cachan | 3,442.38 mi (5,539.97 km) |
| Watertown Town to Caen | 3,318.43 mi (5,340.50 km) |
| Watertown Town to Cagnes-sur-Mer | 3,800.82 mi (6,116.83 km) |
| Watertown Town to Cahors | 3,522.96 mi (5,669.65 km) |
| Watertown Town to Calais | 3,369.21 mi (5,422.22 km) |
| Watertown Town to Caluire-et-Cuire | 3,633.68 mi (5,847.84 km) |
| Watertown Town to Cambrai | 3,444.68 mi (5,543.67 km) |
| Watertown Town to Canet-en-Roussillon | 3,645.96 mi (5,867.60 km) |
| Watertown Town to Cannes | 3,798.48 mi (6,113.06 km) |
| Watertown Town to Canteleu | 3,371.21 mi (5,425.44 km) |
| Watertown Town to Capbreton | 3,416.22 mi (5,497.88 km) |
| Watertown Town to Carcassonne | 3,600.68 mi (5,794.73 km) |
| Watertown Town to Carmaux | 3,566.80 mi (5,740.21 km) |
