| Castelnaudary to Siran | 1,912.28 mi (3,077.52 km) |
| Castelnaudary to Sirnak | 2,146.31 mi (3,454.15 km) |
| Castelnaudary to Sirvan | 2,109.85 mi (3,395.48 km) |
| Castelnaudary to Sivas | 1,816.61 mi (2,923.55 km) |
| Castelnaudary to Sivasli | 1,478.82 mi (2,379.94 km) |
| Castelnaudary to Siverek | 1,982.20 mi (3,190.04 km) |
| Castelnaudary to Sivrice | 1,963.51 mi (3,159.96 km) |
| Castelnaudary to Sivrihisar | 1,548.36 mi (2,491.84 km) |
| Castelnaudary to Sogut | 1,467.45 mi (2,361.63 km) |
| Castelnaudary to Sogutlu | 1,464.67 mi (2,357.17 km) |
| Castelnaudary to Soke | 1,384.88 mi (2,228.75 km) |
| Castelnaudary to Solhan | 2,037.60 mi (3,279.20 km) |
| Castelnaudary to Soma | 1,357.13 mi (2,184.08 km) |
| Castelnaudary to Sorgun | 1,723.54 mi (2,773.78 km) |
| Castelnaudary to Suhut | 1,520.89 mi (2,447.63 km) |
