| Middle River to Sinop | 5,367.99 mi (8,638.94 km) |
| Middle River to Siran | 5,605.15 mi (9,020.62 km) |
| Middle River to Sirnak | 5,862.33 mi (9,434.51 km) |
| Middle River to Sirvan | 5,818.81 mi (9,364.47 km) |
| Middle River to Sivas | 5,546.76 mi (8,926.66 km) |
| Middle River to Sivasli | 5,313.71 mi (8,551.59 km) |
| Middle River to Siverek | 5,732.04 mi (9,224.83 km) |
| Middle River to Sivrice | 5,697.58 mi (9,169.37 km) |
| Middle River to Sivrihisar | 5,345.74 mi (8,603.13 km) |
| Middle River to Sogut | 5,265.47 mi (8,473.96 km) |
| Middle River to Sogutlu | 5,238.23 mi (8,430.11 km) |
| Middle River to Soke | 5,251.15 mi (8,450.91 km) |
| Middle River to Solhan | 5,737.21 mi (9,233.15 km) |
| Middle River to Soma | 5,196.70 mi (8,363.28 km) |
| Middle River to Sorgun | 5,473.31 mi (8,808.44 km) |
