| Opwijk to Karnobat | 1,215.41 mi (1,956.02 km) |
| Opwijk to Kavarna | 1,240.01 mi (1,995.61 km) |
| Opwijk to Kazanlak | 1,151.60 mi (1,853.32 km) |
| Opwijk to Knezha | 1,061.84 mi (1,708.86 km) |
| Opwijk to Kostinbrod | 1,055.82 mi (1,699.18 km) |
| Opwijk to Kozloduy | 1,036.20 mi (1,667.60 km) |
| Opwijk to Kyustendil | 1,058.58 mi (1,703.62 km) |
| Opwijk to Levski | 1,109.96 mi (1,786.31 km) |
| Opwijk to Lom | 1,014.40 mi (1,632.52 km) |
| Opwijk to Lovech | 1,102.46 mi (1,774.24 km) |
| Opwijk to Lukovit | 1,077.51 mi (1,734.09 km) |
| Opwijk to Lyaskovets | 1,144.57 mi (1,842.00 km) |
| Opwijk to Mezdra | 1,060.84 mi (1,707.26 km) |
| Opwijk to Momchilgrad | 1,199.14 mi (1,929.83 km) |
| Opwijk to Montana | 1,030.92 mi (1,659.10 km) |
