| Wittmund to Siran | 1,724.32 mi (2,775.02 km) |
| Wittmund to Sirnak | 1,981.39 mi (3,188.74 km) |
| Wittmund to Sirvan | 1,938.19 mi (3,119.22 km) |
| Wittmund to Sivas | 1,664.73 mi (2,679.12 km) |
| Wittmund to Sivasli | 1,468.74 mi (2,363.71 km) |
| Wittmund to Siverek | 1,850.16 mi (2,977.54 km) |
| Wittmund to Sivrice | 1,815.37 mi (2,921.56 km) |
| Wittmund to Sivrihisar | 1,480.14 mi (2,382.05 km) |
| Wittmund to Sogut | 1,403.30 mi (2,258.40 km) |
| Wittmund to Sogutlu | 1,368.32 mi (2,202.09 km) |
| Wittmund to Soke | 1,437.22 mi (2,312.98 km) |
| Wittmund to Solhan | 1,856.85 mi (2,988.31 km) |
| Wittmund to Soma | 1,362.47 mi (2,192.69 km) |
| Wittmund to Sorgun | 1,593.27 mi (2,564.12 km) |
| Wittmund to Suhut | 1,494.92 mi (2,405.84 km) |
