| Gallarate to Santander | 637.73 mi (1,026.33 km) |
| Gallarate to Santany | 522.48 mi (840.86 km) |
| Gallarate to Santiago de Compostela | 877.14 mi (1,411.62 km) |
| Gallarate to Santiago del Teide | 1,839.54 mi (2,960.46 km) |
| Gallarate to Santiponce | 952.29 mi (1,532.57 km) |
| Gallarate to Santomera | 728.57 mi (1,172.52 km) |
| Gallarate to Santona | 621.65 mi (1,000.45 km) |
| Gallarate to Santurce-Antiguo | 603.94 mi (971.94 km) |
| Gallarate to Sarria | 825.26 mi (1,328.13 km) |
| Gallarate to Sauzal | 1,814.63 mi (2,920.36 km) |
| Gallarate to Sedavi | 634.80 mi (1,021.61 km) |
| Gallarate to Segorbe | 618.13 mi (994.79 km) |
| Gallarate to Segovia | 725.13 mi (1,166.98 km) |
| Gallarate to Senmanat | 434.83 mi (699.80 km) |
| Gallarate to Sesena | 738.64 mi (1,188.73 km) |
