| Humacao to Sinop | 5,924.28 mi (9,534.20 km) |
| Humacao to Siran | 6,163.72 mi (9,919.54 km) |
| Humacao to Sirnak | 6,403.14 mi (10,304.86 km) |
| Humacao to Sirvan | 6,365.80 mi (10,244.77 km) |
| Humacao to Sivas | 6,072.32 mi (9,772.46 km) |
| Humacao to Sivasli | 5,732.13 mi (9,224.97 km) |
| Humacao to Siverek | 6,240.04 mi (10,042.38 km) |
| Humacao to Sivrice | 6,220.62 mi (10,011.12 km) |
| Humacao to Sivrihisar | 5,806.02 mi (9,343.89 km) |
| Humacao to Sogut | 5,725.29 mi (9,213.96 km) |
| Humacao to Sogutlu | 5,721.79 mi (9,208.34 km) |
| Humacao to Soke | 5,628.78 mi (9,058.64 km) |
| Humacao to Solhan | 6,291.75 mi (10,125.59 km) |
| Humacao to Soma | 5,611.13 mi (9,030.24 km) |
| Humacao to Sorgun | 5,980.43 mi (9,624.58 km) |
