| Herstal to Siran | 1,758.74 mi (2,830.42 km) |
| Herstal to Sirnak | 2,012.99 mi (3,239.60 km) |
| Herstal to Sirvan | 1,971.22 mi (3,172.36 km) |
| Herstal to Sivas | 1,686.58 mi (2,714.29 km) |
| Herstal to Sivasli | 1,441.81 mi (2,320.37 km) |
| Herstal to Siverek | 1,869.42 mi (3,008.55 km) |
| Herstal to Sivrice | 1,839.01 mi (2,959.60 km) |
| Herstal to Sivrihisar | 1,471.35 mi (2,367.91 km) |
| Herstal to Sogut | 1,390.95 mi (2,238.51 km) |
| Herstal to Sogutlu | 1,364.91 mi (2,196.61 km) |
| Herstal to Soke | 1,390.62 mi (2,237.99 km) |
| Herstal to Solhan | 1,891.38 mi (3,043.89 km) |
| Herstal to Soma | 1,327.44 mi (2,136.30 km) |
| Herstal to Sorgun | 1,606.75 mi (2,585.81 km) |
| Herstal to Suhut | 1,473.58 mi (2,371.50 km) |
