| Herstal to Sangeorz-Bai | 889.84 mi (1,432.05 km) |
| Herstal to Sannicolau Mare | 755.80 mi (1,216.34 km) |
| Herstal to Santana | 783.18 mi (1,260.40 km) |
| Herstal to Satu Mare | 801.57 mi (1,290.00 km) |
| Herstal to Scobinti | 987.60 mi (1,589.38 km) |
| Herstal to Scornicesti | 972.83 mi (1,565.63 km) |
| Herstal to Sebes | 883.26 mi (1,421.47 km) |
| Herstal to Seini | 819.77 mi (1,319.29 km) |
| Herstal to Sfantu-Gheorghe | 980.85 mi (1,578.53 km) |
| Herstal to Sibiu | 913.39 mi (1,469.96 km) |
| Herstal to Sighetu Marmatiei | 841.85 mi (1,354.82 km) |
| Herstal to Sighisoara | 927.19 mi (1,492.17 km) |
| Herstal to Simeria | 863.23 mi (1,389.24 km) |
| Herstal to Sinaia | 987.46 mi (1,589.16 km) |
| Herstal to Slatina | 970.36 mi (1,561.65 km) |
