| Maassluis to Karlovo | 1,152.00 mi (1,853.96 km) |
| Maassluis to Karnobat | 1,237.15 mi (1,991.01 km) |
| Maassluis to Kavarna | 1,257.30 mi (2,023.42 km) |
| Maassluis to Kazanlak | 1,176.05 mi (1,892.67 km) |
| Maassluis to Knezha | 1,085.90 mi (1,747.59 km) |
| Maassluis to Kostinbrod | 1,083.62 mi (1,743.92 km) |
| Maassluis to Kozloduy | 1,059.97 mi (1,705.86 km) |
| Maassluis to Kyustendil | 1,088.97 mi (1,752.53 km) |
| Maassluis to Levski | 1,132.60 mi (1,822.75 km) |
| Maassluis to Lom | 1,038.95 mi (1,672.02 km) |
| Maassluis to Lovech | 1,126.55 mi (1,813.00 km) |
| Maassluis to Lukovit | 1,102.38 mi (1,774.11 km) |
| Maassluis to Lyaskovets | 1,167.03 mi (1,878.16 km) |
| Maassluis to Mezdra | 1,086.72 mi (1,748.90 km) |
| Maassluis to Momchilgrad | 1,226.56 mi (1,973.96 km) |
