| Duffel to Santander | 655.31 mi (1,054.62 km) |
| Duffel to Santany | 814.32 mi (1,310.53 km) |
| Duffel to Santiago de Compostela | 835.41 mi (1,344.46 km) |
| Duffel to Santiago del Teide | 1,926.10 mi (3,099.76 km) |
| Duffel to Santiponce | 1,076.57 mi (1,732.57 km) |
| Duffel to Santomera | 940.89 mi (1,514.22 km) |
| Duffel to Santona | 647.08 mi (1,041.37 km) |
| Duffel to Santurce-Antiguo | 642.43 mi (1,033.89 km) |
| Duffel to Sarria | 802.50 mi (1,291.50 km) |
| Duffel to Sauzal | 1,903.77 mi (3,063.83 km) |
| Duffel to Sedavi | 840.52 mi (1,352.69 km) |
| Duffel to Segorbe | 813.65 mi (1,309.44 km) |
| Duffel to Segovia | 813.36 mi (1,308.97 km) |
| Duffel to Senmanat | 665.45 mi (1,070.94 km) |
| Duffel to Sesena | 856.05 mi (1,377.67 km) |
