| Koekelberg to Dimitrovgrad | 1,175.06 mi (1,891.08 km) |
| Koekelberg to Dobrich | 1,205.85 mi (1,940.62 km) |
| Koekelberg to Dospat | 1,135.90 mi (1,828.05 km) |
| Koekelberg to Dupnitsa | 1,067.35 mi (1,717.73 km) |
| Koekelberg to Elhovo | 1,209.17 mi (1,945.98 km) |
| Koekelberg to Etropole | 1,077.48 mi (1,734.03 km) |
| Koekelberg to Gabrovo | 1,129.90 mi (1,818.40 km) |
| Koekelberg to Gorna Oryahovitsa | 1,134.05 mi (1,825.07 km) |
| Koekelberg to Gotse Delchev | 1,122.83 mi (1,807.02 km) |
| Koekelberg to Harmanli | 1,192.14 mi (1,918.56 km) |
| Koekelberg to Haskovo | 1,178.76 mi (1,897.03 km) |
| Koekelberg to Ihtiman | 1,087.17 mi (1,749.64 km) |
| Koekelberg to Isperih | 1,158.28 mi (1,864.07 km) |
| Koekelberg to Kardzhali | 1,183.17 mi (1,904.13 km) |
| Koekelberg to Karlovo | 1,117.90 mi (1,799.09 km) |
