| Castelnaudary to Somma Lombardo | 370.28 mi (595.90 km) |
| Castelnaudary to Somma Vesuviana | 661.21 mi (1,064.12 km) |
| Castelnaudary to Sommacampagna | 462.11 mi (743.70 km) |
| Castelnaudary to Sona | 461.93 mi (743.41 km) |
| Castelnaudary to Sondrio | 435.31 mi (700.56 km) |
| Castelnaudary to Sora | 603.64 mi (971.46 km) |
| Castelnaudary to Sorbolo | 434.41 mi (699.11 km) |
| Castelnaudary to Soresina | 413.57 mi (665.57 km) |
| Castelnaudary to Sorisole | 414.37 mi (666.86 km) |
| Castelnaudary to Sorrento | 663.77 mi (1,068.24 km) |
| Castelnaudary to Sorso | 381.62 mi (614.16 km) |
| Castelnaudary to Sortino | 808.81 mi (1,301.66 km) |
| Castelnaudary to Soverato Marina | 824.29 mi (1,326.57 km) |
| Castelnaudary to Sovicille | 466.37 mi (750.55 km) |
| Castelnaudary to Spello | 540.37 mi (869.63 km) |
