| Southend to Cividale del Friuli | 689.01 mi (1,108.86 km) |
| Southend to Civita Castellana | 842.70 mi (1,356.19 km) |
| Southend to Civitanova Marche | 831.72 mi (1,338.52 km) |
| Southend to Civitavecchia | 835.46 mi (1,344.54 km) |
| Southend to Civitella in Val di Chiana | 759.91 mi (1,222.96 km) |
| Southend to Clusone | 574.28 mi (924.22 km) |
| Southend to Coccaglio | 591.39 mi (951.74 km) |
| Southend to Codigoro | 699.57 mi (1,125.85 km) |
| Southend to Codogno | 603.69 mi (971.55 km) |
| Southend to Codroipo | 677.86 mi (1,090.90 km) |
| Southend to Cogoleto | 615.31 mi (990.25 km) |
| Southend to Colle di Val d'Elsa | 742.88 mi (1,195.54 km) |
| Southend to Colle Salvetti | 712.35 mi (1,146.42 km) |
| Southend to Collecchio | 641.47 mi (1,032.35 km) |
| Southend to Colleferro | 892.48 mi (1,436.31 km) |
