| Kasterlee to Sangeorz-Bai | 925.07 mi (1,488.75 km) |
| Kasterlee to Sannicolau Mare | 797.45 mi (1,283.37 km) |
| Kasterlee to Santana | 823.41 mi (1,325.15 km) |
| Kasterlee to Satu Mare | 837.01 mi (1,347.05 km) |
| Kasterlee to Scobinti | 1,021.24 mi (1,643.53 km) |
| Kasterlee to Scornicesti | 1,014.00 mi (1,631.88 km) |
| Kasterlee to Sebes | 922.61 mi (1,484.79 km) |
| Kasterlee to Seini | 855.03 mi (1,376.04 km) |
| Kasterlee to Sfantu-Gheorghe | 1,018.67 mi (1,639.39 km) |
| Kasterlee to Sibiu | 952.61 mi (1,533.08 km) |
| Kasterlee to Sighetu Marmatiei | 876.17 mi (1,410.06 km) |
| Kasterlee to Sighisoara | 965.03 mi (1,553.07 km) |
| Kasterlee to Simeria | 903.26 mi (1,453.66 km) |
| Kasterlee to Sinaia | 1,026.46 mi (1,651.93 km) |
| Kasterlee to Slatina | 1,011.91 mi (1,628.51 km) |
