| Mersch to Sangeorz-Bai | 863.05 mi (1,388.94 km) |
| Mersch to Sannicolau Mare | 717.37 mi (1,154.49 km) |
| Mersch to Santana | 747.48 mi (1,202.96 km) |
| Mersch to Satu Mare | 774.78 mi (1,246.89 km) |
| Mersch to Scobinti | 963.24 mi (1,550.18 km) |
| Mersch to Scornicesti | 934.67 mi (1,504.21 km) |
| Mersch to Sebes | 848.93 mi (1,366.21 km) |
| Mersch to Seini | 793.21 mi (1,276.55 km) |
| Mersch to Sfantu-Gheorghe | 949.09 mi (1,527.41 km) |
| Mersch to Sibiu | 879.19 mi (1,414.92 km) |
| Mersch to Sighetu Marmatiei | 816.86 mi (1,314.60 km) |
| Mersch to Sighisoara | 895.56 mi (1,441.26 km) |
| Mersch to Simeria | 827.64 mi (1,331.95 km) |
| Mersch to Sinaia | 953.46 mi (1,534.45 km) |
| Mersch to Slatina | 931.45 mi (1,499.02 km) |
