| Willebroek to Serik | 1,634.63 mi (2,630.68 km) |
| Willebroek to Serinhisar | 1,531.23 mi (2,464.28 km) |
| Willebroek to Serinyol | 1,864.23 mi (3,000.18 km) |
| Willebroek to Seydisehir | 1,639.76 mi (2,638.94 km) |
| Willebroek to Seyhan | 1,800.03 mi (2,896.87 km) |
| Willebroek to Seyitgazi | 1,498.97 mi (2,412.35 km) |
| Willebroek to Siirt | 2,033.40 mi (3,272.45 km) |
| Willebroek to Sile | 1,378.77 mi (2,218.92 km) |
| Willebroek to Silifke | 1,772.48 mi (2,852.53 km) |
| Willebroek to Silivri | 1,327.86 mi (2,136.99 km) |
| Willebroek to Silopi | 2,085.17 mi (3,355.76 km) |
| Willebroek to Simav | 1,447.70 mi (2,329.85 km) |
| Willebroek to Sinanpasa | 1,513.32 mi (2,435.45 km) |
| Willebroek to Sindirgi | 1,408.69 mi (2,267.07 km) |
| Willebroek to Sinop | 1,575.92 mi (2,536.19 km) |
