| Portchester to Karlovo | 1,342.71 mi (2,160.89 km) |
| Portchester to Karnobat | 1,435.40 mi (2,310.05 km) |
| Portchester to Kavarna | 1,464.09 mi (2,356.22 km) |
| Portchester to Kazanlak | 1,368.79 mi (2,202.85 km) |
| Portchester to Knezha | 1,279.81 mi (2,059.66 km) |
| Portchester to Kostinbrod | 1,269.18 mi (2,042.54 km) |
| Portchester to Kozloduy | 1,254.61 mi (2,019.11 km) |
| Portchester to Kyustendil | 1,268.20 mi (2,040.96 km) |
| Portchester to Levski | 1,329.34 mi (2,139.36 km) |
| Portchester to Lom | 1,232.04 mi (1,982.78 km) |
| Portchester to Lovech | 1,320.25 mi (2,124.74 km) |
| Portchester to Lukovit | 1,294.49 mi (2,083.29 km) |
| Portchester to Lyaskovets | 1,364.01 mi (2,195.15 km) |
| Portchester to Mezdra | 1,276.67 mi (2,054.60 km) |
| Portchester to Momchilgrad | 1,412.34 mi (2,272.94 km) |
