| Postojna to Siran | 1,310.91 mi (2,109.70 km) |
| Postojna to Sirnak | 1,555.75 mi (2,503.74 km) |
| Postojna to Sirvan | 1,516.59 mi (2,440.71 km) |
| Postojna to Sivas | 1,224.23 mi (1,970.20 km) |
| Postojna to Sivasli | 936.79 mi (1,507.62 km) |
| Postojna to Siverek | 1,400.00 mi (2,253.08 km) |
| Postojna to Sivrice | 1,375.34 mi (2,213.40 km) |
| Postojna to Sivrihisar | 980.58 mi (1,578.08 km) |
| Postojna to Sogut | 898.62 mi (1,446.19 km) |
| Postojna to Sogutlu | 882.24 mi (1,419.83 km) |
| Postojna to Soke | 875.51 mi (1,409.00 km) |
| Postojna to Solhan | 1,440.43 mi (2,318.14 km) |
| Postojna to Soma | 818.71 mi (1,317.58 km) |
| Postojna to Sorgun | 1,136.31 mi (1,828.72 km) |
| Postojna to Suhut | 972.13 mi (1,564.50 km) |
