| Aire-sur-la-Lys to Somma Lombardo | 448.69 mi (722.09 km) |
| Aire-sur-la-Lys to Somma Vesuviana | 887.80 mi (1,428.77 km) |
| Aire-sur-la-Lys to Sommacampagna | 531.96 mi (856.10 km) |
| Aire-sur-la-Lys to Sona | 529.74 mi (852.54 km) |
| Aire-sur-la-Lys to Sondrio | 460.94 mi (741.81 km) |
| Aire-sur-la-Lys to Sora | 815.59 mi (1,312.56 km) |
| Aire-sur-la-Lys to Sorbolo | 547.22 mi (880.67 km) |
| Aire-sur-la-Lys to Soresina | 505.35 mi (813.29 km) |
| Aire-sur-la-Lys to Sorisole | 475.49 mi (765.23 km) |
| Aire-sur-la-Lys to Sorrento | 899.50 mi (1,447.60 km) |
| Aire-sur-la-Lys to Sorso | 741.75 mi (1,193.74 km) |
| Aire-sur-la-Lys to Sortino | 1,120.04 mi (1,802.53 km) |
| Aire-sur-la-Lys to Soverato Marina | 1,076.10 mi (1,731.82 km) |
| Aire-sur-la-Lys to Sovicille | 656.25 mi (1,056.13 km) |
| Aire-sur-la-Lys to Spello | 716.63 mi (1,153.30 km) |
