| London Colney to Cortona | 816.38 mi (1,313.84 km) |
| London Colney to Cosenza | 1,169.00 mi (1,881.32 km) |
| London Colney to Cossato | 574.14 mi (923.99 km) |
| London Colney to Costa Volpino | 623.53 mi (1,003.47 km) |
| London Colney to Creazzo | 686.05 mi (1,104.10 km) |
| London Colney to Crema | 632.65 mi (1,018.15 km) |
| London Colney to Cremona | 656.04 mi (1,055.79 km) |
| London Colney to Crevalcore | 714.28 mi (1,149.53 km) |
| London Colney to Crispiano | 1,132.55 mi (1,822.66 km) |
| London Colney to Crosia | 1,171.42 mi (1,885.22 km) |
| London Colney to Crotone | 1,209.22 mi (1,946.06 km) |
| London Colney to Cuneo | 622.78 mi (1,002.27 km) |
| London Colney to Cuorgne | 568.38 mi (914.72 km) |
| London Colney to Cusano Milanino | 606.99 mi (976.86 km) |
| London Colney to Cutro | 1,207.55 mi (1,943.36 km) |
