| Castelnaudary to Settimo Torinese | 313.85 mi (505.09 km) |
| Castelnaudary to Seveso | 388.68 mi (625.52 km) |
| Castelnaudary to Sezze | 580.19 mi (933.73 km) |
| Castelnaudary to Siano | 675.51 mi (1,087.14 km) |
| Castelnaudary to Siena | 471.15 mi (758.24 km) |
| Castelnaudary to Signa | 458.90 mi (738.52 km) |
| Castelnaudary to Silea | 534.32 mi (859.90 km) |
| Castelnaudary to Silvi Paese | 617.00 mi (992.96 km) |
| Castelnaudary to Sinalunga | 491.78 mi (791.45 km) |
| Castelnaudary to Siniscola | 440.50 mi (708.91 km) |
| Castelnaudary to Sinnai | 467.17 mi (751.84 km) |
| Castelnaudary to Siracusa | 824.11 mi (1,326.28 km) |
| Castelnaudary to Solaro | 385.55 mi (620.48 km) |
| Castelnaudary to Soliera | 456.06 mi (733.95 km) |
| Castelnaudary to Solofra | 682.52 mi (1,098.41 km) |
