| Castalla to Siran | 2,110.02 mi (3,395.75 km) |
| Castalla to Sirnak | 2,325.73 mi (3,742.89 km) |
| Castalla to Sirvan | 2,293.27 mi (3,690.67 km) |
| Castalla to Sivas | 2,005.29 mi (3,227.21 km) |
| Castalla to Sivasli | 1,632.88 mi (2,627.86 km) |
| Castalla to Siverek | 2,155.44 mi (3,468.84 km) |
| Castalla to Sivrice | 2,143.86 mi (3,450.21 km) |
| Castalla to Sivrihisar | 1,720.67 mi (2,769.15 km) |
| Castalla to Sogut | 1,644.08 mi (2,645.90 km) |
| Castalla to Sogutlu | 1,653.86 mi (2,661.63 km) |
| Castalla to Soke | 1,520.45 mi (2,446.93 km) |
| Castalla to Solhan | 2,227.35 mi (3,584.58 km) |
| Castalla to Soma | 1,515.16 mi (2,438.42 km) |
| Castalla to Sorgun | 1,908.93 mi (3,072.12 km) |
| Castalla to Suhut | 1,678.24 mi (2,700.86 km) |
