| Heiloo to Siran | 1,826.46 mi (2,939.41 km) |
| Heiloo to Sirnak | 2,082.71 mi (3,351.80 km) |
| Heiloo to Sirvan | 2,040.09 mi (3,283.21 km) |
| Heiloo to Sivas | 1,760.85 mi (2,833.82 km) |
| Heiloo to Sivasli | 1,539.08 mi (2,476.92 km) |
| Heiloo to Siverek | 1,945.42 mi (3,130.86 km) |
| Heiloo to Sivrice | 1,912.67 mi (3,078.14 km) |
| Heiloo to Sivrihisar | 1,560.35 mi (2,511.15 km) |
| Heiloo to Sogut | 1,481.39 mi (2,384.06 km) |
| Heiloo to Sogutlu | 1,451.00 mi (2,335.16 km) |
| Heiloo to Soke | 1,496.20 mi (2,407.90 km) |
| Heiloo to Solhan | 1,959.30 mi (3,153.19 km) |
| Heiloo to Soma | 1,427.92 mi (2,298.01 km) |
| Heiloo to Sorgun | 1,685.16 mi (2,712.00 km) |
| Heiloo to Suhut | 1,568.43 mi (2,524.14 km) |
