| Willebroek to Santander | 649.40 mi (1,045.11 km) |
| Willebroek to Santany | 811.47 mi (1,305.93 km) |
| Willebroek to Santiago de Compostela | 828.86 mi (1,333.92 km) |
| Willebroek to Santiago del Teide | 1,919.97 mi (3,089.90 km) |
| Willebroek to Santiponce | 1,071.12 mi (1,723.80 km) |
| Willebroek to Santomera | 936.62 mi (1,507.35 km) |
| Willebroek to Santona | 641.25 mi (1,032.00 km) |
| Willebroek to Santurce-Antiguo | 636.74 mi (1,024.73 km) |
| Willebroek to Sarria | 796.09 mi (1,281.18 km) |
| Willebroek to Sauzal | 1,897.67 mi (3,054.00 km) |
| Willebroek to Sedavi | 836.32 mi (1,345.93 km) |
| Willebroek to Segorbe | 809.36 mi (1,302.54 km) |
| Willebroek to Segovia | 807.84 mi (1,300.09 km) |
| Willebroek to Senmanat | 662.02 mi (1,065.41 km) |
| Willebroek to Sesena | 850.77 mi (1,369.18 km) |
