| Valongo to Siran | 2,464.49 mi (3,966.21 km) |
| Valongo to Sirnak | 2,695.42 mi (4,337.86 km) |
| Valongo to Sirvan | 2,659.79 mi (4,280.51 km) |
| Valongo to Sivas | 2,367.06 mi (3,809.42 km) |
| Valongo to Sivasli | 2,018.21 mi (3,248.00 km) |
| Valongo to Siverek | 2,529.43 mi (4,070.73 km) |
| Valongo to Sivrice | 2,512.47 mi (4,043.43 km) |
| Valongo to Sivrihisar | 2,094.02 mi (3,369.99 km) |
| Valongo to Sogut | 2,014.00 mi (3,241.22 km) |
| Valongo to Sogutlu | 2,014.30 mi (3,241.70 km) |
| Valongo to Soke | 1,916.35 mi (3,084.06 km) |
| Valongo to Solhan | 2,588.67 mi (4,166.06 km) |
| Valongo to Soma | 1,897.28 mi (3,053.37 km) |
| Valongo to Sorgun | 2,273.09 mi (3,658.18 km) |
| Valongo to Suhut | 2,061.66 mi (3,317.92 km) |
