| Swallownest to Karlovo | 1,404.96 mi (2,261.07 km) |
| Swallownest to Karnobat | 1,489.86 mi (2,397.70 km) |
| Swallownest to Kavarna | 1,508.75 mi (2,428.10 km) |
| Swallownest to Kazanlak | 1,429.02 mi (2,299.78 km) |
| Swallownest to Knezha | 1,338.87 mi (2,154.70 km) |
| Swallownest to Kostinbrod | 1,336.34 mi (2,150.63 km) |
| Swallownest to Kozloduy | 1,312.93 mi (2,112.96 km) |
| Swallownest to Kyustendil | 1,341.07 mi (2,158.24 km) |
| Swallownest to Levski | 1,385.46 mi (2,229.69 km) |
| Swallownest to Lom | 1,291.92 mi (2,079.15 km) |
| Swallownest to Lovech | 1,379.51 mi (2,220.11 km) |
| Swallownest to Lukovit | 1,355.36 mi (2,181.23 km) |
| Swallownest to Lyaskovets | 1,419.86 mi (2,285.05 km) |
| Swallownest to Mezdra | 1,339.65 mi (2,155.96 km) |
| Swallownest to Momchilgrad | 1,479.37 mi (2,380.81 km) |