| Monte Porzio Catone to Santander | 845.98 mi (1,361.48 km) |
| Monte Porzio Catone to Santany | 530.76 mi (854.17 km) |
| Monte Porzio Catone to Santiago de Compostela | 1,085.28 mi (1,746.59 km) |
| Monte Porzio Catone to Santiago del Teide | 1,899.89 mi (3,057.57 km) |
| Monte Porzio Catone to Santiponce | 1,040.79 mi (1,674.98 km) |
| Monte Porzio Catone to Santomera | 772.97 mi (1,243.97 km) |
| Monte Porzio Catone to Santona | 828.51 mi (1,333.36 km) |
| Monte Porzio Catone to Santurce-Antiguo | 806.84 mi (1,298.49 km) |
| Monte Porzio Catone to Sarria | 1,028.60 mi (1,655.38 km) |
| Monte Porzio Catone to Sauzal | 1,873.85 mi (3,015.68 km) |
| Monte Porzio Catone to Sedavi | 705.88 mi (1,136.00 km) |
| Monte Porzio Catone to Segorbe | 702.85 mi (1,131.12 km) |
| Monte Porzio Catone to Segovia | 873.41 mi (1,405.62 km) |
| Monte Porzio Catone to Senmanat | 545.58 mi (878.03 km) |
| Monte Porzio Catone to Sesena | 863.26 mi (1,389.28 km) |
