| Watertown Town to Caldicot | 3,166.29 mi (5,095.65 km) |
| Watertown Town to Calne | 3,199.98 mi (5,149.87 km) |
| Watertown Town to Cam | 3,179.90 mi (5,117.56 km) |
| Watertown Town to Camberley | 3,254.02 mi (5,236.84 km) |
| Watertown Town to Camborne | 3,086.89 mi (4,967.87 km) |
| Watertown Town to Cambridge | 3,270.46 mi (5,263.29 km) |
| Watertown Town to Cambuslang | 3,038.51 mi (4,890.01 km) |
| Watertown Town to Canford Cliffs | 3,218.52 mi (5,179.71 km) |
| Watertown Town to Cannock | 3,174.22 mi (5,108.42 km) |
| Watertown Town to Canterbury | 3,329.78 mi (5,358.77 km) |
| Watertown Town to Carlisle | 3,099.30 mi (4,987.85 km) |
| Watertown Town to Carlton Colville | 3,328.10 mi (5,356.06 km) |
| Watertown Town to Carluke | 3,052.38 mi (4,912.33 km) |
| Watertown Town to Carnoustie | 3,083.75 mi (4,962.82 km) |
| Watertown Town to Carshalton | 3,276.90 mi (5,273.67 km) |
