| The Mumbles to Karlovo | 1,475.88 mi (2,375.20 km) |
| The Mumbles to Karnobat | 1,567.64 mi (2,522.88 km) |
| The Mumbles to Kavarna | 1,594.75 mi (2,566.50 km) |
| The Mumbles to Kazanlak | 1,501.74 mi (2,416.81 km) |
| The Mumbles to Knezha | 1,412.55 mi (2,273.27 km) |
| The Mumbles to Kostinbrod | 1,402.79 mi (2,257.58 km) |
| The Mumbles to Kozloduy | 1,387.23 mi (2,232.53 km) |
| The Mumbles to Kyustendil | 1,402.26 mi (2,256.72 km) |
| The Mumbles to Levski | 1,461.72 mi (2,352.41 km) |
| The Mumbles to Lom | 1,364.83 mi (2,196.48 km) |
| The Mumbles to Lovech | 1,453.04 mi (2,338.45 km) |
| The Mumbles to Lukovit | 1,427.46 mi (2,297.28 km) |
| The Mumbles to Lyaskovets | 1,496.38 mi (2,408.20 km) |
| The Mumbles to Mezdra | 1,409.87 mi (2,268.97 km) |
| The Mumbles to Momchilgrad | 1,546.03 mi (2,488.09 km) |
