| Povoa de Santa Iria to Siran | 2,538.16 mi (4,084.77 km) |
| Povoa de Santa Iria to Sirnak | 2,761.79 mi (4,444.67 km) |
| Povoa de Santa Iria to Sirvan | 2,727.78 mi (4,389.94 km) |
| Povoa de Santa Iria to Sivas | 2,436.94 mi (3,921.87 km) |
| Povoa de Santa Iria to Sivasli | 2,074.61 mi (3,338.76 km) |
| Povoa de Santa Iria to Siverek | 2,593.21 mi (4,173.37 km) |
| Povoa de Santa Iria to Sivrice | 2,579.11 mi (4,150.68 km) |
| Povoa de Santa Iria to Sivrihisar | 2,157.28 mi (3,471.80 km) |
| Povoa de Santa Iria to Sogut | 2,078.86 mi (3,345.61 km) |
| Povoa de Santa Iria to Sogutlu | 2,083.94 mi (3,353.78 km) |
| Povoa de Santa Iria to Soke | 1,966.11 mi (3,164.15 km) |
| Povoa de Santa Iria to Solhan | 2,659.21 mi (4,279.58 km) |
| Povoa de Santa Iria to Soma | 1,955.23 mi (3,146.64 km) |
| Povoa de Santa Iria to Sorgun | 2,341.55 mi (3,768.36 km) |
| Povoa de Santa Iria to Suhut | 2,119.26 mi (3,410.62 km) |
