| Sint-Martens-Lennik to Sangeorz-Bai | 955.34 mi (1,537.47 km) |
| Sint-Martens-Lennik to Sannicolau Mare | 820.32 mi (1,320.18 km) |
| Sint-Martens-Lennik to Santana | 848.16 mi (1,364.99 km) |
| Sint-Martens-Lennik to Satu Mare | 867.08 mi (1,395.42 km) |
| Sint-Martens-Lennik to Scobinti | 1,052.99 mi (1,694.62 km) |
| Sint-Martens-Lennik to Scornicesti | 1,037.48 mi (1,669.66 km) |
| Sint-Martens-Lennik to Sebes | 948.44 mi (1,526.37 km) |
| Sint-Martens-Lennik to Seini | 885.27 mi (1,424.70 km) |
| Sint-Martens-Lennik to Sfantu-Gheorghe | 1,046.27 mi (1,683.81 km) |
| Sint-Martens-Lennik to Sibiu | 978.59 mi (1,574.89 km) |
| Sint-Martens-Lennik to Sighetu Marmatiei | 907.29 mi (1,460.15 km) |
| Sint-Martens-Lennik to Sighisoara | 992.61 mi (1,597.45 km) |
| Sint-Martens-Lennik to Simeria | 928.26 mi (1,493.89 km) |
| Sint-Martens-Lennik to Sinaia | 1,052.69 mi (1,694.15 km) |
| Sint-Martens-Lennik to Slatina | 1,034.86 mi (1,665.44 km) |
