| Southend to Caldicot | 148.57 mi (239.10 km) |
| Southend to Calne | 117.04 mi (188.36 km) |
| Southend to Cam | 132.26 mi (212.86 km) |
| Southend to Camberley | 64.27 mi (103.43 km) |
| Southend to Camborne | 277.70 mi (446.92 km) |
| Southend to Cambridge | 51.82 mi (83.39 km) |
| Southend to Cambuslang | 355.94 mi (572.83 km) |
| Southend to Canford Cliffs | 128.66 mi (207.05 km) |
| Southend to Cannock | 140.33 mi (225.84 km) |
| Southend to Canterbury | 24.54 mi (39.49 km) |
| Southend to Carlisle | 275.85 mi (443.93 km) |
| Southend to Carlton Colville | 75.12 mi (120.89 km) |
| Southend to Carluke | 343.66 mi (553.06 km) |
| Southend to Carnoustie | 369.06 mi (593.94 km) |
| Southend to Carshalton | 39.88 mi (64.18 km) |
