| San Pietro in Casale to Siran | 1,440.16 mi (2,317.71 km) |
| San Pietro in Casale to Sirnak | 1,679.62 mi (2,703.09 km) |
| San Pietro in Casale to Sirvan | 1,641.78 mi (2,642.19 km) |
| San Pietro in Casale to Sivas | 1,348.36 mi (2,169.97 km) |
| San Pietro in Casale to Sivasli | 1,034.80 mi (1,665.35 km) |
| San Pietro in Casale to Siverek | 1,519.36 mi (2,445.18 km) |
| San Pietro in Casale to Sivrice | 1,497.63 mi (2,410.21 km) |
| San Pietro in Casale to Sivrihisar | 1,091.19 mi (1,756.10 km) |
| San Pietro in Casale to Sogut | 1,009.23 mi (1,624.21 km) |
| San Pietro in Casale to Sogutlu | 999.82 mi (1,609.06 km) |
| San Pietro in Casale to Soke | 958.12 mi (1,541.95 km) |
| San Pietro in Casale to Solhan | 1,567.56 mi (2,522.74 km) |
| San Pietro in Casale to Soma | 913.79 mi (1,470.60 km) |
| San Pietro in Casale to Sorgun | 1,257.48 mi (2,023.72 km) |
| San Pietro in Casale to Suhut | 1,073.57 mi (1,727.74 km) |
