| Grimbergen to Karnobat | 1,206.44 mi (1,941.57 km) |
| Grimbergen to Kavarna | 1,231.01 mi (1,981.11 km) |
| Grimbergen to Kazanlak | 1,142.66 mi (1,838.94 km) |
| Grimbergen to Knezha | 1,052.89 mi (1,694.46 km) |
| Grimbergen to Kostinbrod | 1,046.95 mi (1,684.91 km) |
| Grimbergen to Kozloduy | 1,027.24 mi (1,653.19 km) |
| Grimbergen to Kyustendil | 1,049.79 mi (1,689.48 km) |
| Grimbergen to Levski | 1,101.00 mi (1,771.88 km) |
| Grimbergen to Lom | 1,005.46 mi (1,618.13 km) |
| Grimbergen to Lovech | 1,093.51 mi (1,759.84 km) |
| Grimbergen to Lukovit | 1,068.58 mi (1,719.71 km) |
| Grimbergen to Lyaskovets | 1,135.60 mi (1,827.57 km) |
| Grimbergen to Mezdra | 1,051.93 mi (1,692.91 km) |
| Grimbergen to Momchilgrad | 1,190.27 mi (1,915.55 km) |
| Grimbergen to Montana | 1,022.01 mi (1,644.76 km) |
