| Leigh-on-Sea to Cortona | 777.46 mi (1,251.20 km) |
| Leigh-on-Sea to Cosenza | 1,129.99 mi (1,818.54 km) |
| Leigh-on-Sea to Cossato | 536.59 mi (863.55 km) |
| Leigh-on-Sea to Costa Volpino | 583.44 mi (938.95 km) |
| Leigh-on-Sea to Creazzo | 645.25 mi (1,038.44 km) |
| Leigh-on-Sea to Crema | 593.54 mi (955.21 km) |
| Leigh-on-Sea to Cremona | 616.87 mi (992.76 km) |
| Leigh-on-Sea to Crevalcore | 674.58 mi (1,085.63 km) |
| Leigh-on-Sea to Crispiano | 1,092.15 mi (1,757.65 km) |
| Leigh-on-Sea to Crosia | 1,131.91 mi (1,821.64 km) |
| Leigh-on-Sea to Crotone | 1,169.80 mi (1,882.61 km) |
| Leigh-on-Sea to Cuneo | 588.05 mi (946.37 km) |
| Leigh-on-Sea to Cuorgne | 531.89 mi (856.00 km) |
| Leigh-on-Sea to Cusano Milanino | 568.18 mi (914.39 km) |
| Leigh-on-Sea to Cutro | 1,168.24 mi (1,880.10 km) |
