| Portishead to Karlovo | 1,422.81 mi (2,289.79 km) |
| Portishead to Karnobat | 1,514.33 mi (2,437.08 km) |
| Portishead to Kavarna | 1,541.26 mi (2,480.43 km) |
| Portishead to Kazanlak | 1,448.59 mi (2,331.29 km) |
| Portishead to Knezha | 1,359.35 mi (2,187.66 km) |
| Portishead to Kostinbrod | 1,349.92 mi (2,172.49 km) |
| Portishead to Kozloduy | 1,334.00 mi (2,146.86 km) |
| Portishead to Kyustendil | 1,349.70 mi (2,172.12 km) |
| Portishead to Levski | 1,408.44 mi (2,266.66 km) |
| Portishead to Lom | 1,311.65 mi (2,110.90 km) |
| Portishead to Lovech | 1,399.86 mi (2,252.85 km) |
| Portishead to Lukovit | 1,374.33 mi (2,211.77 km) |
| Portishead to Lyaskovets | 1,443.10 mi (2,322.45 km) |
| Portishead to Mezdra | 1,356.81 mi (2,183.58 km) |
| Portishead to Momchilgrad | 1,493.19 mi (2,403.05 km) |
