| Twickenham to Collegno | 570.42 mi (918.01 km) |
| Twickenham to Cologno al Serio | 611.62 mi (984.31 km) |
| Twickenham to Cologno Monzese | 600.10 mi (965.76 km) |
| Twickenham to Colorno | 666.97 mi (1,073.39 km) |
| Twickenham to Comacchio | 740.93 mi (1,192.41 km) |
| Twickenham to Comiso | 1,240.26 mi (1,996.01 km) |
| Twickenham to Como | 579.65 mi (932.85 km) |
| Twickenham to Concordia Sagittaria | 717.45 mi (1,154.63 km) |
| Twickenham to Concorezzo | 598.98 mi (963.96 km) |
| Twickenham to Conegliano | 691.40 mi (1,112.70 km) |
| Twickenham to Conselice | 737.39 mi (1,186.71 km) |
| Twickenham to Conselve | 704.57 mi (1,133.90 km) |
| Twickenham to Conversano | 1,099.97 mi (1,770.23 km) |
| Twickenham to Copertino | 1,168.71 mi (1,880.85 km) |
| Twickenham to Copparo | 718.97 mi (1,157.07 km) |
