| Mersch to Santander | 639.14 mi (1,028.60 km) |
| Mersch to Santany | 732.87 mi (1,179.44 km) |
| Mersch to Santiago de Compostela | 842.60 mi (1,356.04 km) |
| Mersch to Santiago del Teide | 1,910.30 mi (3,074.33 km) |
| Mersch to Santiponce | 1,042.72 mi (1,678.10 km) |
| Mersch to Santomera | 881.54 mi (1,418.69 km) |
| Mersch to Santona | 628.28 mi (1,011.12 km) |
| Mersch to Santurce-Antiguo | 619.69 mi (997.29 km) |
| Mersch to Sarria | 803.31 mi (1,292.81 km) |
| Mersch to Sauzal | 1,887.14 mi (3,037.06 km) |
| Mersch to Sedavi | 780.64 mi (1,256.32 km) |
| Mersch to Segorbe | 755.64 mi (1,216.08 km) |
| Mersch to Segovia | 783.41 mi (1,260.78 km) |
| Mersch to Senmanat | 593.95 mi (955.88 km) |
| Mersch to Sesena | 819.46 mi (1,318.80 km) |
