| Grimbergen to Dimitrovgrad | 1,174.86 mi (1,890.76 km) |
| Grimbergen to Dobrich | 1,204.99 mi (1,939.25 km) |
| Grimbergen to Dospat | 1,136.00 mi (1,828.22 km) |
| Grimbergen to Dupnitsa | 1,067.47 mi (1,717.93 km) |
| Grimbergen to Elhovo | 1,208.81 mi (1,945.40 km) |
| Grimbergen to Etropole | 1,077.31 mi (1,733.77 km) |
| Grimbergen to Gabrovo | 1,129.54 mi (1,817.82 km) |
| Grimbergen to Gorna Oryahovitsa | 1,133.57 mi (1,824.30 km) |
| Grimbergen to Gotse Delchev | 1,123.02 mi (1,807.33 km) |
| Grimbergen to Harmanli | 1,191.92 mi (1,918.21 km) |
| Grimbergen to Haskovo | 1,178.59 mi (1,896.76 km) |
| Grimbergen to Ihtiman | 1,087.14 mi (1,749.59 km) |
| Grimbergen to Isperih | 1,157.51 mi (1,862.83 km) |
| Grimbergen to Kardzhali | 1,183.10 mi (1,904.02 km) |
| Grimbergen to Karlovo | 1,117.67 mi (1,798.71 km) |
