| Bonn to Siran | 1,696.94 mi (2,730.96 km) |
| Bonn to Sirnak | 1,951.58 mi (3,140.76 km) |
| Bonn to Sirvan | 1,909.66 mi (3,073.29 km) |
| Bonn to Sivas | 1,625.87 mi (2,616.58 km) |
| Bonn to Sivasli | 1,387.08 mi (2,232.30 km) |
| Bonn to Siverek | 1,809.11 mi (2,911.48 km) |
| Bonn to Sivrice | 1,778.24 mi (2,861.79 km) |
| Bonn to Sivrihisar | 1,413.99 mi (2,275.60 km) |
| Bonn to Sogut | 1,333.96 mi (2,146.80 km) |
| Bonn to Sogutlu | 1,306.69 mi (2,102.91 km) |
| Bonn to Soke | 1,339.20 mi (2,155.23 km) |
| Bonn to Solhan | 1,829.65 mi (2,944.54 km) |
| Bonn to Soma | 1,273.84 mi (2,050.05 km) |
| Bonn to Sorgun | 1,546.83 mi (2,489.38 km) |
| Bonn to Suhut | 1,418.03 mi (2,282.10 km) |
