| Castagneto Carducci to Siran | 1,479.13 mi (2,380.44 km) |
| Castagneto Carducci to Sirnak | 1,711.43 mi (2,754.29 km) |
| Castagneto Carducci to Sirvan | 1,675.21 mi (2,695.99 km) |
| Castagneto Carducci to Sivas | 1,382.15 mi (2,224.35 km) |
| Castagneto Carducci to Sivasli | 1,046.16 mi (1,683.64 km) |
| Castagneto Carducci to Siverek | 1,547.09 mi (2,489.80 km) |
| Castagneto Carducci to Sivrice | 1,528.58 mi (2,460.01 km) |
| Castagneto Carducci to Sivrihisar | 1,113.42 mi (1,791.87 km) |
| Castagneto Carducci to Sogut | 1,032.41 mi (1,661.50 km) |
| Castagneto Carducci to Sogutlu | 1,029.84 mi (1,657.37 km) |
| Castagneto Carducci to Soke | 957.50 mi (1,540.94 km) |
| Castagneto Carducci to Solhan | 1,603.50 mi (2,580.59 km) |
| Castagneto Carducci to Soma | 924.36 mi (1,487.61 km) |
| Castagneto Carducci to Sorgun | 1,288.73 mi (2,074.01 km) |
| Castagneto Carducci to Suhut | 1,087.51 mi (1,750.17 km) |
