| Portici to Santander | 945.43 mi (1,521.52 km) |
| Portici to Santany | 600.87 mi (967.01 km) |
| Portici to Santiago de Compostela | 1,182.73 mi (1,903.41 km) |
| Portici to Santiago del Teide | 1,958.53 mi (3,151.95 km) |
| Portici to Santiponce | 1,114.60 mi (1,793.77 km) |
| Portici to Santomera | 841.83 mi (1,354.79 km) |
| Portici to Santona | 927.93 mi (1,493.37 km) |
| Portici to Santurce-Antiguo | 905.94 mi (1,457.97 km) |
| Portici to Sarria | 1,125.67 mi (1,811.59 km) |
| Portici to Sauzal | 1,932.34 mi (3,109.80 km) |
| Portici to Sedavi | 783.00 mi (1,260.11 km) |
| Portici to Segorbe | 783.01 mi (1,260.13 km) |
| Portici to Segovia | 962.51 mi (1,549.01 km) |
| Portici to Senmanat | 636.18 mi (1,023.83 km) |
| Portici to Sesena | 947.92 mi (1,525.52 km) |
