| Leidschendam to Siran | 1,831.15 mi (2,946.96 km) |
| Leidschendam to Sirnak | 2,086.91 mi (3,358.55 km) |
| Leidschendam to Sirvan | 2,044.53 mi (3,290.35 km) |
| Leidschendam to Sivas | 1,763.48 mi (2,838.04 km) |
| Leidschendam to Sivasli | 1,533.76 mi (2,468.35 km) |
| Leidschendam to Siverek | 1,947.59 mi (3,134.34 km) |
| Leidschendam to Sivrice | 1,915.56 mi (3,082.79 km) |
| Leidschendam to Sivrihisar | 1,557.99 mi (2,507.34 km) |
| Leidschendam to Sogut | 1,478.48 mi (2,379.38 km) |
| Leidschendam to Sogutlu | 1,449.56 mi (2,332.85 km) |
| Leidschendam to Soke | 1,487.68 mi (2,394.20 km) |
| Leidschendam to Solhan | 1,964.00 mi (3,160.75 km) |
| Leidschendam to Soma | 1,421.33 mi (2,287.42 km) |
| Leidschendam to Sorgun | 1,686.41 mi (2,714.02 km) |
| Leidschendam to Suhut | 1,564.00 mi (2,517.02 km) |
