| Douarnenez to Karlovo | 1,453.98 mi (2,339.95 km) |
| Douarnenez to Karnobat | 1,554.54 mi (2,501.80 km) |
| Douarnenez to Kavarna | 1,594.36 mi (2,565.88 km) |
| Douarnenez to Kazanlak | 1,482.06 mi (2,385.14 km) |
| Douarnenez to Knezha | 1,396.47 mi (2,247.40 km) |
| Douarnenez to Kostinbrod | 1,375.76 mi (2,214.07 km) |
| Douarnenez to Kozloduy | 1,372.76 mi (2,209.25 km) |
| Douarnenez to Kyustendil | 1,367.21 mi (2,200.32 km) |
| Douarnenez to Levski | 1,448.52 mi (2,331.17 km) |
| Douarnenez to Lom | 1,348.79 mi (2,170.66 km) |
| Douarnenez to Lovech | 1,435.76 mi (2,310.63 km) |
| Douarnenez to Lukovit | 1,408.56 mi (2,266.86 km) |
| Douarnenez to Lyaskovets | 1,482.81 mi (2,386.35 km) |
| Douarnenez to Mezdra | 1,388.46 mi (2,234.52 km) |
| Douarnenez to Momchilgrad | 1,515.99 mi (2,439.75 km) |
