| Zaventem to Sangeorz-Bai | 942.29 mi (1,516.46 km) |
| Zaventem to Sannicolau Mare | 808.88 mi (1,301.77 km) |
| Zaventem to Santana | 836.30 mi (1,345.89 km) |
| Zaventem to Satu Mare | 854.06 mi (1,374.47 km) |
| Zaventem to Scobinti | 1,039.65 mi (1,673.15 km) |
| Zaventem to Scornicesti | 1,025.94 mi (1,651.09 km) |
| Zaventem to Sebes | 936.35 mi (1,506.90 km) |
| Zaventem to Seini | 872.21 mi (1,403.69 km) |
| Zaventem to Sfantu-Gheorghe | 1,033.80 mi (1,663.73 km) |
| Zaventem to Sibiu | 966.47 mi (1,555.38 km) |
| Zaventem to Sighetu Marmatiei | 894.06 mi (1,438.86 km) |
| Zaventem to Sighisoara | 980.13 mi (1,577.37 km) |
| Zaventem to Simeria | 916.35 mi (1,474.72 km) |
| Zaventem to Sinaia | 1,040.52 mi (1,674.56 km) |
| Zaventem to Slatina | 1,023.44 mi (1,647.07 km) |
