| West Carson to Cividale del Friuli | 6,148.43 mi (9,894.94 km) |
| West Carson to Civita Castellana | 6,321.92 mi (10,174.15 km) |
| West Carson to Civitanova Marche | 6,309.54 mi (10,154.23 km) |
| West Carson to Civitavecchia | 6,312.65 mi (10,159.23 km) |
| West Carson to Civitella in Val di Chiana | 6,239.76 mi (10,041.92 km) |
| West Carson to Clusone | 6,053.50 mi (9,742.17 km) |
| West Carson to Coccaglio | 6,071.14 mi (9,770.56 km) |
| West Carson to Codigoro | 6,176.69 mi (9,940.42 km) |
| West Carson to Codogno | 6,083.55 mi (9,790.53 km) |
| West Carson to Codroipo | 6,142.31 mi (9,885.09 km) |
| West Carson to Cogoleto | 6,089.30 mi (9,799.78 km) |
| West Carson to Colle di Val d'Elsa | 6,221.93 mi (10,013.23 km) |
| West Carson to Colle Salvetti | 6,190.37 mi (9,962.43 km) |
| West Carson to Collecchio | 6,121.34 mi (9,851.35 km) |
| West Carson to Colleferro | 6,371.74 mi (10,254.32 km) |
