| El Puerto de Santa Maria to Cividale del Friuli | 1,207.15 mi (1,942.72 km) |
| El Puerto de Santa Maria to Civita Castellana | 1,066.09 mi (1,715.71 km) |
| El Puerto de Santa Maria to Civitanova Marche | 1,149.90 mi (1,850.59 km) |
| El Puerto de Santa Maria to Civitavecchia | 1,032.38 mi (1,661.45 km) |
| El Puerto de Santa Maria to Civitella in Val di Chiana | 1,056.51 mi (1,700.28 km) |
| El Puerto de Santa Maria to Clusone | 1,053.44 mi (1,695.34 km) |
| El Puerto de Santa Maria to Coccaglio | 1,043.13 mi (1,678.76 km) |
| El Puerto de Santa Maria to Codigoro | 1,112.17 mi (1,789.86 km) |
| El Puerto de Santa Maria to Codogno | 1,017.60 mi (1,637.67 km) |
| El Puerto de Santa Maria to Codroipo | 1,183.41 mi (1,904.52 km) |
| El Puerto de Santa Maria to Cogoleto | 946.08 mi (1,522.57 km) |
| El Puerto de Santa Maria to Colle di Val d'Elsa | 1,028.73 mi (1,655.58 km) |
| El Puerto de Santa Maria to Colle Salvetti | 1,003.79 mi (1,615.44 km) |
| El Puerto de Santa Maria to Collecchio | 1,025.89 mi (1,651.02 km) |
| El Puerto de Santa Maria to Colleferro | 1,086.84 mi (1,749.10 km) |
