| Niel to Siran | 1,820.30 mi (2,929.48 km) |
| Niel to Sirnak | 2,074.94 mi (3,339.29 km) |
| Niel to Sirvan | 2,033.02 mi (3,271.83 km) |
| Niel to Sivas | 1,749.10 mi (2,814.91 km) |
| Niel to Sivasli | 1,506.36 mi (2,424.26 km) |
| Niel to Siverek | 1,932.23 mi (3,109.62 km) |
| Niel to Sivrice | 1,901.49 mi (3,060.15 km) |
| Niel to Sivrihisar | 1,535.44 mi (2,471.06 km) |
| Niel to Sogut | 1,455.13 mi (2,341.81 km) |
| Niel to Sogutlu | 1,428.73 mi (2,299.32 km) |
| Niel to Soke | 1,455.20 mi (2,341.92 km) |
| Niel to Solhan | 1,953.01 mi (3,143.07 km) |
| Niel to Soma | 1,392.05 mi (2,240.29 km) |
| Niel to Sorgun | 1,669.79 mi (2,687.27 km) |
| Niel to Suhut | 1,538.04 mi (2,475.24 km) |
