| Grobbendonk to Karnobat | 1,199.22 mi (1,929.95 km) |
| Grobbendonk to Kavarna | 1,222.23 mi (1,966.99 km) |
| Grobbendonk to Kazanlak | 1,136.41 mi (1,828.88 km) |
| Grobbendonk to Knezha | 1,046.47 mi (1,684.12 km) |
| Grobbendonk to Kostinbrod | 1,041.94 mi (1,676.84 km) |
| Grobbendonk to Kozloduy | 1,020.70 mi (1,642.67 km) |
| Grobbendonk to Kyustendil | 1,045.79 mi (1,683.04 km) |
| Grobbendonk to Levski | 1,094.07 mi (1,760.73 km) |
| Grobbendonk to Lom | 999.20 mi (1,608.05 km) |
| Grobbendonk to Lovech | 1,087.11 mi (1,749.54 km) |
| Grobbendonk to Lukovit | 1,062.46 mi (1,709.87 km) |
| Grobbendonk to Lyaskovets | 1,128.62 mi (1,816.33 km) |
| Grobbendonk to Mezdra | 1,046.18 mi (1,683.66 km) |
| Grobbendonk to Momchilgrad | 1,185.16 mi (1,907.32 km) |
| Grobbendonk to Montana | 1,016.28 mi (1,635.54 km) |
