| Twickenham to Cassina de' Pecchi | 603.65 mi (971.47 km) |
| Twickenham to Cassino | 959.69 mi (1,544.47 km) |
| Twickenham to Castagneto Carducci | 766.50 mi (1,233.55 km) |
| Twickenham to Castano Primo | 582.15 mi (936.87 km) |
| Twickenham to Castel Bolognese | 746.04 mi (1,200.64 km) |
| Twickenham to Castel Gandolfo | 908.19 mi (1,461.58 km) |
| Twickenham to Castel Goffredo | 652.16 mi (1,049.56 km) |
| Twickenham to Castel Maggiore | 718.74 mi (1,156.71 km) |
| Twickenham to Castel Mella | 631.14 mi (1,015.72 km) |
| Twickenham to Castel San Giorgio | 1,026.57 mi (1,652.10 km) |
| Twickenham to Castel San Giovanni | 629.50 mi (1,013.08 km) |
| Twickenham to Castel San Pietro Terme | 734.44 mi (1,181.97 km) |
| Twickenham to Castel Volturno | 986.58 mi (1,587.75 km) |
| Twickenham to Castelbuono | 1,168.08 mi (1,879.84 km) |
| Twickenham to Casteldaccia | 1,144.91 mi (1,842.55 km) |
