| Luxembourg to Sangeorz-Bai | 861.03 mi (1,385.69 km) |
| Luxembourg to Sannicolau Mare | 713.53 mi (1,148.31 km) |
| Luxembourg to Santana | 744.09 mi (1,197.49 km) |
| Luxembourg to Satu Mare | 772.80 mi (1,243.71 km) |
| Luxembourg to Scobinti | 961.56 mi (1,547.48 km) |
| Luxembourg to Scornicesti | 930.79 mi (1,497.96 km) |
| Luxembourg to Sebes | 845.70 mi (1,361.03 km) |
| Luxembourg to Seini | 791.27 mi (1,273.42 km) |
| Luxembourg to Sfantu-Gheorghe | 946.25 mi (1,522.83 km) |
| Luxembourg to Sibiu | 875.98 mi (1,409.75 km) |
| Luxembourg to Sighetu Marmatiei | 815.14 mi (1,311.84 km) |
| Luxembourg to Sighisoara | 892.75 mi (1,436.75 km) |
| Luxembourg to Simeria | 824.22 mi (1,326.45 km) |
| Luxembourg to Sinaia | 950.26 mi (1,529.29 km) |
| Luxembourg to Slatina | 927.44 mi (1,492.58 km) |
