| Reda to Siran | 1,381.79 mi (2,223.78 km) |
| Reda to Sirnak | 1,636.67 mi (2,633.96 km) |
| Reda to Sirvan | 1,592.46 mi (2,562.82 km) |
| Reda to Sivas | 1,341.79 mi (2,159.41 km) |
| Reda to Sivasli | 1,234.39 mi (1,986.56 km) |
| Reda to Siverek | 1,525.50 mi (2,455.05 km) |
| Reda to Sivrice | 1,485.40 mi (2,390.53 km) |
| Reda to Sivrihisar | 1,213.60 mi (1,953.10 km) |
| Reda to Sogut | 1,147.31 mi (1,846.42 km) |
| Reda to Sogutlu | 1,099.14 mi (1,768.89 km) |
| Reda to Soke | 1,240.89 mi (1,997.02 km) |
| Reda to Solhan | 1,510.88 mi (2,431.52 km) |
| Reda to Soma | 1,149.80 mi (1,850.43 km) |
| Reda to Sorgun | 1,285.50 mi (2,068.81 km) |
| Reda to Suhut | 1,249.18 mi (2,010.37 km) |
