| Hillegom to Devnya | 1,230.05 mi (1,979.57 km) |
| Hillegom to Dimitrovgrad | 1,207.08 mi (1,942.61 km) |
| Hillegom to Dobrich | 1,225.66 mi (1,972.51 km) |
| Hillegom to Dospat | 1,173.48 mi (1,888.54 km) |
| Hillegom to Dupnitsa | 1,105.39 mi (1,778.96 km) |
| Hillegom to Elhovo | 1,238.19 mi (1,992.67 km) |
| Hillegom to Etropole | 1,110.47 mi (1,787.13 km) |
| Hillegom to Gabrovo | 1,159.11 mi (1,865.40 km) |
| Hillegom to Gorna Oryahovitsa | 1,161.08 mi (1,868.58 km) |
| Hillegom to Gotse Delchev | 1,161.98 mi (1,870.03 km) |
| Hillegom to Harmanli | 1,223.84 mi (1,969.58 km) |
| Hillegom to Haskovo | 1,211.35 mi (1,949.48 km) |
| Hillegom to Ihtiman | 1,122.45 mi (1,806.41 km) |
| Hillegom to Isperih | 1,179.78 mi (1,898.67 km) |
| Hillegom to Kardzhali | 1,217.45 mi (1,959.30 km) |
