| Herk-de-Stad to Siran | 1,782.40 mi (2,868.49 km) |
| Herk-de-Stad to Sirnak | 2,036.95 mi (3,278.15 km) |
| Herk-de-Stad to Sirvan | 1,995.06 mi (3,210.74 km) |
| Herk-de-Stad to Sivas | 1,710.99 mi (2,753.58 km) |
| Herk-de-Stad to Sivasli | 1,468.46 mi (2,363.25 km) |
| Herk-de-Stad to Siverek | 1,894.07 mi (3,048.22 km) |
| Herk-de-Stad to Sivrice | 1,863.39 mi (2,998.83 km) |
| Herk-de-Stad to Sivrihisar | 1,497.27 mi (2,409.62 km) |
| Herk-de-Stad to Sogut | 1,416.98 mi (2,280.41 km) |
| Herk-de-Stad to Sogutlu | 1,390.51 mi (2,237.81 km) |
| Herk-de-Stad to Soke | 1,417.86 mi (2,281.82 km) |
| Herk-de-Stad to Solhan | 1,915.10 mi (3,082.05 km) |
| Herk-de-Stad to Soma | 1,354.31 mi (2,179.55 km) |
| Herk-de-Stad to Sorgun | 1,631.60 mi (2,625.81 km) |
| Herk-de-Stad to Suhut | 1,500.03 mi (2,414.06 km) |
