| Nivelles to Sangeorz-Bai | 946.51 mi (1,523.27 km) |
| Nivelles to Sannicolau Mare | 809.02 mi (1,301.99 km) |
| Nivelles to Santana | 837.43 mi (1,347.71 km) |
| Nivelles to Satu Mare | 858.21 mi (1,381.15 km) |
| Nivelles to Scobinti | 1,044.73 mi (1,681.33 km) |
| Nivelles to Scornicesti | 1,026.27 mi (1,651.63 km) |
| Nivelles to Sebes | 938.02 mi (1,509.60 km) |
| Nivelles to Seini | 876.46 mi (1,410.53 km) |
| Nivelles to Sfantu-Gheorghe | 1,036.41 mi (1,667.95 km) |
| Nivelles to Sibiu | 968.20 mi (1,558.17 km) |
| Nivelles to Sighetu Marmatiei | 898.83 mi (1,446.53 km) |
| Nivelles to Sighisoara | 982.77 mi (1,581.61 km) |
| Nivelles to Simeria | 917.56 mi (1,476.68 km) |
| Nivelles to Sinaia | 1,042.37 mi (1,677.53 km) |
| Nivelles to Slatina | 1,023.50 mi (1,647.16 km) |
