| Twickenham to Caldicot | 104.17 mi (167.64 km) |
| Twickenham to Calne | 71.83 mi (115.61 km) |
| Twickenham to Cam | 88.77 mi (142.86 km) |
| Twickenham to Camberley | 19.16 mi (30.83 km) |
| Twickenham to Camborne | 232.75 mi (374.58 km) |
| Twickenham to Cambridge | 55.77 mi (89.75 km) |
| Twickenham to Cambuslang | 340.15 mi (547.42 km) |
| Twickenham to Canford Cliffs | 86.37 mi (139.00 km) |
| Twickenham to Cannock | 111.87 mi (180.03 km) |
| Twickenham to Canterbury | 62.23 mi (100.15 km) |
| Twickenham to Carlisle | 261.14 mi (420.26 km) |
| Twickenham to Carlton Colville | 110.81 mi (178.33 km) |
| Twickenham to Carluke | 328.87 mi (529.26 km) |
| Twickenham to Carnoustie | 362.08 mi (582.71 km) |
| Twickenham to Carshalton | 9.32 mi (15.00 km) |
