| Hillegom to Sangeorz-Bai | 954.07 mi (1,535.43 km) |
| Hillegom to Sannicolau Mare | 839.28 mi (1,350.69 km) |
| Hillegom to Santana | 862.29 mi (1,387.73 km) |
| Hillegom to Satu Mare | 866.79 mi (1,394.97 km) |
| Hillegom to Scobinti | 1,047.01 mi (1,685.00 km) |
| Hillegom to Scornicesti | 1,054.15 mi (1,696.48 km) |
| Hillegom to Sebes | 959.36 mi (1,543.95 km) |
| Hillegom to Seini | 884.40 mi (1,423.30 km) |
| Hillegom to Sfantu-Gheorghe | 1,052.16 mi (1,693.29 km) |
| Hillegom to Sibiu | 989.03 mi (1,591.69 km) |
| Hillegom to Sighetu Marmatiei | 903.75 mi (1,454.44 km) |
| Hillegom to Sighisoara | 998.73 mi (1,607.31 km) |
| Hillegom to Simeria | 941.44 mi (1,515.10 km) |
| Hillegom to Sinaia | 1,062.22 mi (1,709.47 km) |
| Hillegom to Slatina | 1,052.84 mi (1,694.38 km) |
