| Aire-sur-la-Lys to Sangeorz-Bai | 1,030.72 mi (1,658.78 km) |
| Aire-sur-la-Lys to Sannicolau Mare | 891.31 mi (1,434.42 km) |
| Aire-sur-la-Lys to Santana | 920.43 mi (1,481.29 km) |
| Aire-sur-la-Lys to Satu Mare | 942.41 mi (1,516.66 km) |
| Aire-sur-la-Lys to Scobinti | 1,128.99 mi (1,816.94 km) |
| Aire-sur-la-Lys to Scornicesti | 1,108.63 mi (1,784.17 km) |
| Aire-sur-la-Lys to Sebes | 1,021.31 mi (1,643.64 km) |
| Aire-sur-la-Lys to Seini | 960.67 mi (1,546.05 km) |
| Aire-sur-la-Lys to Sfantu-Gheorghe | 1,120.15 mi (1,802.71 km) |
| Aire-sur-la-Lys to Sibiu | 1,051.52 mi (1,692.27 km) |
| Aire-sur-la-Lys to Sighetu Marmatiei | 983.09 mi (1,582.13 km) |
| Aire-sur-la-Lys to Sighisoara | 1,066.52 mi (1,716.40 km) |
| Aire-sur-la-Lys to Simeria | 1,000.59 mi (1,610.29 km) |
| Aire-sur-la-Lys to Sinaia | 1,125.73 mi (1,811.69 km) |
| Aire-sur-la-Lys to Slatina | 1,105.63 mi (1,779.34 km) |
