| Portici to Campos del Puerto | 605.35 mi (974.21 km) |
| Portici to Canals | 800.62 mi (1,288.47 km) |
| Portici to Candelaria | 1,933.99 mi (3,112.46 km) |
| Portici to Canet de Mar | 613.07 mi (986.63 km) |
| Portici to Cangas | 1,196.26 mi (1,925.19 km) |
| Portici to Cangas de Narcea | 1,081.53 mi (1,740.55 km) |
| Portici to Canovellas | 628.67 mi (1,011.74 km) |
| Portici to Canteras | 851.60 mi (1,370.52 km) |
| Portici to Cantillana | 1,099.25 mi (1,769.07 km) |
| Portici to Capdepera | 579.92 mi (933.29 km) |
| Portici to Carballo | 1,189.58 mi (1,914.44 km) |
| Portici to Carcagente | 790.90 mi (1,272.83 km) |
| Portici to Cardedeu | 624.67 mi (1,005.31 km) |
| Portici to Carlet | 793.05 mi (1,276.30 km) |
| Portici to Carmona | 1,092.58 mi (1,758.33 km) |
