| Gelsenkirchen to Siran | 1,709.81 mi (2,751.67 km) |
| Gelsenkirchen to Sirnak | 1,965.41 mi (3,163.02 km) |
| Gelsenkirchen to Sirvan | 1,923.10 mi (3,094.93 km) |
| Gelsenkirchen to Sivas | 1,641.72 mi (2,642.09 km) |
| Gelsenkirchen to Sivasli | 1,413.98 mi (2,275.58 km) |
| Gelsenkirchen to Siverek | 1,825.79 mi (2,938.32 km) |
| Gelsenkirchen to Sivrice | 1,793.83 mi (2,886.89 km) |
| Gelsenkirchen to Sivrihisar | 1,436.80 mi (2,312.31 km) |
| Gelsenkirchen to Sogut | 1,357.48 mi (2,184.66 km) |
| Gelsenkirchen to Sogutlu | 1,328.09 mi (2,137.36 km) |
| Gelsenkirchen to Soke | 1,370.34 mi (2,205.34 km) |
| Gelsenkirchen to Solhan | 1,842.64 mi (2,965.45 km) |
| Gelsenkirchen to Soma | 1,302.39 mi (2,095.99 km) |
| Gelsenkirchen to Sorgun | 1,564.60 mi (2,517.97 km) |
| Gelsenkirchen to Suhut | 1,443.71 mi (2,323.43 km) |
