| Itri to Santander | 896.04 mi (1,442.03 km) |
| Itri to Santany | 563.73 mi (907.23 km) |
| Itri to Santiago de Compostela | 1,134.24 mi (1,825.38 km) |
| Itri to Santiago del Teide | 1,927.81 mi (3,102.51 km) |
| Itri to Santiponce | 1,076.51 mi (1,732.48 km) |
| Itri to Santomera | 805.71 mi (1,296.66 km) |
| Itri to Santona | 878.55 mi (1,413.89 km) |
| Itri to Santurce-Antiguo | 856.68 mi (1,378.70 km) |
| Itri to Sarria | 1,077.33 mi (1,733.80 km) |
| Itri to Sauzal | 1,901.68 mi (3,060.46 km) |
| Itri to Sedavi | 743.12 mi (1,195.93 km) |
| Itri to Segorbe | 741.79 mi (1,193.79 km) |
| Itri to Segovia | 917.54 mi (1,476.64 km) |
| Itri to Senmanat | 590.29 mi (949.97 km) |
| Itri to Sesena | 904.88 mi (1,456.26 km) |
