| Harderwijk to Siran | 1,785.48 mi (2,873.45 km) |
| Harderwijk to Sirnak | 2,041.64 mi (3,285.71 km) |
| Harderwijk to Sirvan | 1,999.07 mi (3,217.19 km) |
| Harderwijk to Sivas | 1,719.53 mi (2,767.32 km) |
| Harderwijk to Sivasli | 1,497.63 mi (2,410.20 km) |
| Harderwijk to Siverek | 1,904.05 mi (3,064.27 km) |
| Harderwijk to Sivrice | 1,871.39 mi (3,011.70 km) |
| Harderwijk to Sivrihisar | 1,518.73 mi (2,444.16 km) |
| Harderwijk to Sogut | 1,439.77 mi (2,317.09 km) |
| Harderwijk to Sogutlu | 1,409.37 mi (2,268.17 km) |
| Harderwijk to Soke | 1,455.23 mi (2,341.97 km) |
| Harderwijk to Solhan | 1,918.32 mi (3,087.24 km) |
| Harderwijk to Soma | 1,386.62 mi (2,231.55 km) |
| Harderwijk to Sorgun | 1,643.68 mi (2,645.24 km) |
| Harderwijk to Suhut | 1,526.89 mi (2,457.29 km) |
