| Southend to Cortona | 776.03 mi (1,248.90 km) |
| Southend to Cosenza | 1,128.55 mi (1,816.22 km) |
| Southend to Cossato | 535.33 mi (861.53 km) |
| Southend to Costa Volpino | 581.88 mi (936.44 km) |
| Southend to Creazzo | 643.59 mi (1,035.76 km) |
| Southend to Crema | 592.10 mi (952.90 km) |
| Southend to Cremona | 615.43 mi (990.44 km) |
| Southend to Crevalcore | 673.07 mi (1,083.19 km) |
| Southend to Crispiano | 1,090.54 mi (1,755.05 km) |
| Southend to Crosia | 1,130.41 mi (1,819.22 km) |
| Southend to Crotone | 1,168.31 mi (1,880.21 km) |
| Southend to Cuneo | 587.07 mi (944.79 km) |
| Southend to Cuorgne | 530.75 mi (854.16 km) |
| Southend to Cusano Milanino | 566.77 mi (912.14 km) |
| Southend to Cutro | 1,166.76 mi (1,877.72 km) |
