| Willich to Serik | 1,557.63 mi (2,506.77 km) |
| Willich to Serinhisar | 1,455.82 mi (2,342.92 km) |
| Willich to Serinyol | 1,781.75 mi (2,867.45 km) |
| Willich to Seydisehir | 1,560.86 mi (2,511.96 km) |
| Willich to Seyhan | 1,717.62 mi (2,764.24 km) |
| Willich to Seyitgazi | 1,418.01 mi (2,282.07 km) |
| Willich to Siirt | 1,944.35 mi (3,129.13 km) |
| Willich to Sile | 1,295.90 mi (2,085.54 km) |
| Willich to Silifke | 1,692.58 mi (2,723.94 km) |
| Willich to Silivri | 1,246.93 mi (2,006.75 km) |
| Willich to Silopi | 1,996.44 mi (3,212.96 km) |
| Willich to Simav | 1,369.80 mi (2,204.49 km) |
| Willich to Sinanpasa | 1,434.23 mi (2,308.17 km) |
| Willich to Sindirgi | 1,331.71 mi (2,143.19 km) |
| Willich to Sinop | 1,486.66 mi (2,392.55 km) |
