| Portici to Sabinanigo | 767.00 mi (1,234.37 km) |
| Portici to Sagunto | 773.83 mi (1,245.36 km) |
| Portici to Salamanca | 1,042.64 mi (1,677.97 km) |
| Portici to Salobrena | 1,003.70 mi (1,615.30 km) |
| Portici to Salou | 688.91 mi (1,108.70 km) |
| Portici to Salt | 603.62 mi (971.43 km) |
| Portici to Salvatierra de Mino | 1,182.55 mi (1,903.13 km) |
| Portici to Sama | 1,038.81 mi (1,671.80 km) |
| Portici to San Adrian de Besos | 631.84 mi (1,016.84 km) |
| Portici to San Agustin de Guadalix | 938.29 mi (1,510.03 km) |
| Portici to San Andres de la Barca | 644.34 mi (1,036.96 km) |
| Portici to San Andres de Llevaneras | 618.21 mi (994.92 km) |
| Portici to San Andres del Rabanedo | 1,033.45 mi (1,663.18 km) |
| Portici to San Bartolome | 1,911.24 mi (3,075.84 km) |
| Portici to San Baudilio de Llobregat | 641.04 mi (1,031.66 km) |
