| San Felice Circeo to Cividale del Friuli | 336.54 mi (541.61 km) |
| San Felice Circeo to Civita Castellana | 81.37 mi (130.94 km) |
| San Felice Circeo to Civitanova Marche | 146.33 mi (235.50 km) |
| San Felice Circeo to Civitavecchia | 89.67 mi (144.31 km) |
| San Felice Circeo to Civitella in Val di Chiana | 166.36 mi (267.73 km) |
| San Felice Circeo to Clusone | 357.61 mi (575.52 km) |
| San Felice Circeo to Coccaglio | 337.44 mi (543.06 km) |
| San Felice Circeo to Codigoro | 253.46 mi (407.90 km) |
| San Felice Circeo to Codogno | 320.40 mi (515.63 km) |
| San Felice Circeo to Codroipo | 326.67 mi (525.72 km) |
| San Felice Circeo to Cogoleto | 313.52 mi (504.57 km) |
| San Felice Circeo to Colle di Val d'Elsa | 180.04 mi (289.75 km) |
| San Felice Circeo to Colle Salvetti | 210.81 mi (339.26 km) |
| San Felice Circeo to Collecchio | 283.05 mi (455.52 km) |
| San Felice Circeo to Colleferro | 34.65 mi (55.76 km) |
