| Willich to Siran | 1,728.61 mi (2,781.92 km) |
| Willich to Sirnak | 1,983.82 mi (3,192.65 km) |
| Willich to Sirvan | 1,941.67 mi (3,124.82 km) |
| Willich to Sivas | 1,659.19 mi (2,670.21 km) |
| Willich to Sivasli | 1,425.80 mi (2,294.60 km) |
| Willich to Siverek | 1,842.90 mi (2,965.87 km) |
| Willich to Sivrice | 1,811.44 mi (2,915.23 km) |
| Willich to Sivrihisar | 1,450.85 mi (2,334.92 km) |
| Willich to Sogut | 1,371.14 mi (2,206.64 km) |
| Willich to Sogutlu | 1,342.85 mi (2,161.10 km) |
| Willich to Soke | 1,379.62 mi (2,220.29 km) |
| Willich to Solhan | 1,861.41 mi (2,995.64 km) |
| Willich to Soma | 1,313.23 mi (2,113.45 km) |
| Willich to Sorgun | 1,581.17 mi (2,544.65 km) |
| Willich to Suhut | 1,456.22 mi (2,343.55 km) |
