| Nettuno to Santander | 849.36 mi (1,366.91 km) |
| Nettuno to Santany | 522.28 mi (840.53 km) |
| Nettuno to Santiago de Compostela | 1,087.63 mi (1,750.37 km) |
| Nettuno to Santiago del Teide | 1,889.32 mi (3,040.57 km) |
| Nettuno to Santiponce | 1,034.01 mi (1,664.07 km) |
| Nettuno to Santomera | 764.52 mi (1,230.37 km) |
| Nettuno to Santona | 831.87 mi (1,338.76 km) |
| Nettuno to Santurce-Antiguo | 810.01 mi (1,303.58 km) |
| Nettuno to Sarria | 1,030.74 mi (1,658.82 km) |
| Nettuno to Sauzal | 1,863.24 mi (2,998.60 km) |
| Nettuno to Sedavi | 699.85 mi (1,126.31 km) |
| Nettuno to Segorbe | 697.83 mi (1,123.05 km) |
| Nettuno to Segovia | 871.87 mi (1,403.13 km) |
| Nettuno to Senmanat | 544.38 mi (876.10 km) |
| Nettuno to Sesena | 859.98 mi (1,384.01 km) |
