| Port Royal to Karlovo | 5,435.87 mi (8,748.19 km) |
| Port Royal to Karnobat | 5,527.39 mi (8,895.47 km) |
| Port Royal to Kavarna | 5,550.73 mi (8,933.04 km) |
| Port Royal to Kazanlak | 5,461.88 mi (8,790.04 km) |
| Port Royal to Knezha | 5,372.70 mi (8,646.52 km) |
| Port Royal to Kostinbrod | 5,361.90 mi (8,629.14 km) |
| Port Royal to Kozloduy | 5,347.34 mi (8,605.71 km) |
| Port Royal to Kyustendil | 5,359.04 mi (8,624.55 km) |
| Port Royal to Levski | 5,421.66 mi (8,725.32 km) |
| Port Royal to Lom | 5,324.99 mi (8,569.75 km) |
| Port Royal to Lovech | 5,413.20 mi (8,711.71 km) |
| Port Royal to Lukovit | 5,387.59 mi (8,670.50 km) |
| Port Royal to Lyaskovets | 5,456.31 mi (8,781.08 km) |
| Port Royal to Mezdra | 5,369.83 mi (8,641.90 km) |
| Port Royal to Momchilgrad | 5,504.80 mi (8,859.13 km) |
