| Boskoop to Siran | 1,820.55 mi (2,929.89 km) |
| Boskoop to Sirnak | 2,076.32 mi (3,341.51 km) |
| Boskoop to Sirvan | 2,033.94 mi (3,273.30 km) |
| Boskoop to Sivas | 1,752.95 mi (2,821.11 km) |
| Boskoop to Sivasli | 1,523.84 mi (2,452.39 km) |
| Boskoop to Siverek | 1,937.09 mi (3,117.44 km) |
| Boskoop to Sivrice | 1,905.03 mi (3,065.84 km) |
| Boskoop to Sivrihisar | 1,547.79 mi (2,490.93 km) |
| Boskoop to Sogut | 1,468.32 mi (2,363.04 km) |
| Boskoop to Sogutlu | 1,439.29 mi (2,316.31 km) |
| Boskoop to Soke | 1,478.14 mi (2,378.84 km) |
| Boskoop to Solhan | 1,953.39 mi (3,143.68 km) |
| Boskoop to Soma | 1,411.55 mi (2,271.67 km) |
| Boskoop to Sorgun | 1,675.96 mi (2,697.20 km) |
| Boskoop to Suhut | 1,554.00 mi (2,500.91 km) |
