| Twickenham to Cortona | 805.23 mi (1,295.89 km) |
| Twickenham to Cosenza | 1,157.81 mi (1,863.31 km) |
| Twickenham to Cossato | 562.06 mi (904.54 km) |
| Twickenham to Costa Volpino | 613.58 mi (987.47 km) |
| Twickenham to Creazzo | 676.89 mi (1,089.35 km) |
| Twickenham to Crema | 621.75 mi (1,000.61 km) |
| Twickenham to Cremona | 645.17 mi (1,038.31 km) |
| Twickenham to Crevalcore | 703.88 mi (1,132.79 km) |
| Twickenham to Crispiano | 1,122.75 mi (1,806.89 km) |
| Twickenham to Crosia | 1,160.69 mi (1,867.94 km) |
| Twickenham to Crotone | 1,198.40 mi (1,928.65 km) |
| Twickenham to Cuneo | 608.95 mi (980.00 km) |
| Twickenham to Cuorgne | 555.59 mi (894.14 km) |
| Twickenham to Cusano Milanino | 595.86 mi (958.94 km) |
| Twickenham to Cutro | 1,196.63 mi (1,925.78 km) |
