| Morlanwelz-Mariemont to Sestao | 599.53 mi (964.86 km) |
| Morlanwelz-Mariemont to Sevilla | 1,043.03 mi (1,678.60 km) |
| Morlanwelz-Mariemont to Sevilla La Nueva | 803.77 mi (1,293.54 km) |
| Morlanwelz-Mariemont to Silla | 798.70 mi (1,285.38 km) |
| Morlanwelz-Mariemont to Silleda | 796.40 mi (1,281.69 km) |
| Morlanwelz-Mariemont to Sitges | 647.32 mi (1,041.76 km) |
| Morlanwelz-Mariemont to Socuellamos | 843.24 mi (1,357.07 km) |
| Morlanwelz-Mariemont to Soller | 741.88 mi (1,193.94 km) |
| Morlanwelz-Mariemont to Solsona | 598.36 mi (962.97 km) |
| Morlanwelz-Mariemont to Son Servera | 749.42 mi (1,206.08 km) |
| Morlanwelz-Mariemont to Sonseca | 842.08 mi (1,355.19 km) |
| Morlanwelz-Mariemont to Sopelana | 594.70 mi (957.07 km) |
| Morlanwelz-Mariemont to Soria | 679.75 mi (1,093.95 km) |
| Morlanwelz-Mariemont to Suances | 621.88 mi (1,000.82 km) |
| Morlanwelz-Mariemont to Sueca | 808.00 mi (1,300.35 km) |
