| Hillegom to Siran | 1,826.72 mi (2,939.81 km) |
| Hillegom to Sirnak | 2,082.68 mi (3,351.75 km) |
| Hillegom to Sirvan | 2,040.21 mi (3,283.39 km) |
| Hillegom to Sivas | 1,759.87 mi (2,832.24 km) |
| Hillegom to Sivasli | 1,533.42 mi (2,467.81 km) |
| Hillegom to Siverek | 1,944.18 mi (3,128.85 km) |
| Hillegom to Sivrice | 1,911.85 mi (3,076.83 km) |
| Hillegom to Sivrihisar | 1,556.42 mi (2,504.81 km) |
| Hillegom to Sogut | 1,477.13 mi (2,377.20 km) |
| Hillegom to Sogutlu | 1,447.60 mi (2,329.68 km) |
| Hillegom to Soke | 1,488.70 mi (2,395.83 km) |
| Hillegom to Solhan | 1,959.56 mi (3,153.61 km) |
| Hillegom to Soma | 1,421.52 mi (2,287.71 km) |
| Hillegom to Sorgun | 1,683.36 mi (2,709.11 km) |
| Hillegom to Suhut | 1,563.29 mi (2,515.87 km) |
