| Ostend to Karnobat | 1,273.10 mi (2,048.85 km) |
| Ostend to Kavarna | 1,297.62 mi (2,088.31 km) |
| Ostend to Kazanlak | 1,209.20 mi (1,946.03 km) |
| Ostend to Knezha | 1,119.46 mi (1,801.60 km) |
| Ostend to Kostinbrod | 1,113.19 mi (1,791.50 km) |
| Ostend to Kozloduy | 1,093.84 mi (1,760.36 km) |
| Ostend to Kyustendil | 1,115.63 mi (1,795.44 km) |
| Ostend to Levski | 1,167.63 mi (1,879.13 km) |
| Ostend to Lom | 1,072.01 mi (1,725.23 km) |
| Ostend to Lovech | 1,160.08 mi (1,866.97 km) |
| Ostend to Lukovit | 1,135.10 mi (1,826.77 km) |
| Ostend to Lyaskovets | 1,202.24 mi (1,934.82 km) |
| Ostend to Mezdra | 1,118.37 mi (1,799.84 km) |
| Ostend to Momchilgrad | 1,256.52 mi (2,022.17 km) |
| Ostend to Montana | 1,088.44 mi (1,751.68 km) |
