| Romilly-sur-Seine to Siran | 1,822.31 mi (2,932.72 km) |
| Romilly-sur-Seine to Sirnak | 2,072.23 mi (3,334.94 km) |
| Romilly-sur-Seine to Sirvan | 2,031.83 mi (3,269.91 km) |
| Romilly-sur-Seine to Sivas | 1,741.90 mi (2,803.32 km) |
| Romilly-sur-Seine to Sivasli | 1,463.91 mi (2,355.94 km) |
| Romilly-sur-Seine to Siverek | 1,920.96 mi (3,091.49 km) |
| Romilly-sur-Seine to Sivrice | 1,894.02 mi (3,048.14 km) |
| Romilly-sur-Seine to Sivrihisar | 1,506.88 mi (2,425.10 km) |
| Romilly-sur-Seine to Sogut | 1,425.09 mi (2,293.46 km) |
| Romilly-sur-Seine to Sogutlu | 1,406.24 mi (2,263.13 km) |
| Romilly-sur-Seine to Soke | 1,398.02 mi (2,249.89 km) |
| Romilly-sur-Seine to Solhan | 1,953.77 mi (3,144.29 km) |
| Romilly-sur-Seine to Soma | 1,345.21 mi (2,164.91 km) |
| Romilly-sur-Seine to Sorgun | 1,656.93 mi (2,666.57 km) |
| Romilly-sur-Seine to Suhut | 1,499.51 mi (2,413.22 km) |
