| Castel San Giorgio to Siran | 1,280.12 mi (2,060.15 km) |
| Castel San Giorgio to Sirnak | 1,497.92 mi (2,410.68 km) |
| Castel San Giorgio to Sirvan | 1,464.59 mi (2,357.03 km) |
| Castel San Giorgio to Sivas | 1,175.55 mi (1,891.87 km) |
| Castel San Giorgio to Sivasli | 811.90 mi (1,306.63 km) |
| Castel San Giorgio to Siverek | 1,328.88 mi (2,138.63 km) |
| Castel San Giorgio to Sivrice | 1,315.51 mi (2,117.10 km) |
| Castel San Giorgio to Sivrihisar | 893.04 mi (1,437.21 km) |
| Castel San Giorgio to Sogut | 815.23 mi (1,311.98 km) |
| Castel San Giorgio to Sogutlu | 823.92 mi (1,325.97 km) |
| Castel San Giorgio to Soke | 710.69 mi (1,143.75 km) |
| Castel San Giorgio to Solhan | 1,397.73 mi (2,249.43 km) |
| Castel San Giorgio to Soma | 691.56 mi (1,112.96 km) |
| Castel San Giorgio to Sorgun | 1,079.37 mi (1,737.09 km) |
| Castel San Giorgio to Suhut | 855.89 mi (1,377.42 km) |
