| Piran to Cividale del Friuli | 40.03 mi (64.43 km) |
| Piran to Civita Castellana | 230.64 mi (371.18 km) |
| Piran to Civitanova Marche | 154.18 mi (248.12 km) |
| Piran to Civitavecchia | 252.73 mi (406.73 km) |
| Piran to Civitella in Val di Chiana | 172.09 mi (276.96 km) |
| Piran to Clusone | 176.28 mi (283.70 km) |
| Piran to Coccaglio | 173.72 mi (279.57 km) |
| Piran to Codigoro | 85.46 mi (137.53 km) |
| Piran to Codogno | 189.31 mi (304.66 km) |
| Piran to Codroipo | 41.31 mi (66.49 km) |
| Piran to Cogoleto | 253.14 mi (407.39 km) |
| Piran to Colle di Val d'Elsa | 189.83 mi (305.50 km) |
| Piran to Colle Salvetti | 202.00 mi (325.08 km) |
| Piran to Collecchio | 171.96 mi (276.74 km) |
| Piran to Colleferro | 263.65 mi (424.31 km) |
