| Delft to Karlovo | 1,149.55 mi (1,850.02 km) |
| Delft to Karnobat | 1,234.27 mi (1,986.37 km) |
| Delft to Kavarna | 1,253.93 mi (2,018.01 km) |
| Delft to Kazanlak | 1,173.48 mi (1,888.54 km) |
| Delft to Knezha | 1,083.32 mi (1,743.43 km) |
| Delft to Kostinbrod | 1,081.47 mi (1,740.46 km) |
| Delft to Kozloduy | 1,057.36 mi (1,701.65 km) |
| Delft to Kyustendil | 1,087.13 mi (1,749.57 km) |
| Delft to Levski | 1,129.84 mi (1,818.31 km) |
| Delft to Lom | 1,036.42 mi (1,667.96 km) |
| Delft to Lovech | 1,123.95 mi (1,808.82 km) |
| Delft to Lukovit | 1,099.88 mi (1,770.09 km) |
| Delft to Lyaskovets | 1,164.25 mi (1,873.67 km) |
| Delft to Mezdra | 1,084.33 mi (1,745.07 km) |
| Delft to Momchilgrad | 1,224.34 mi (1,970.38 km) |
