| Felixstowe to Karlovo | 1,265.40 mi (2,036.46 km) |
| Felixstowe to Karnobat | 1,353.02 mi (2,177.47 km) |
| Felixstowe to Kavarna | 1,375.59 mi (2,213.80 km) |
| Felixstowe to Kazanlak | 1,290.13 mi (2,076.27 km) |
| Felixstowe to Knezha | 1,200.22 mi (1,931.56 km) |
| Felixstowe to Kostinbrod | 1,195.20 mi (1,923.48 km) |
| Felixstowe to Kozloduy | 1,174.47 mi (1,890.13 km) |
| Felixstowe to Kyustendil | 1,198.38 mi (1,928.61 km) |
| Felixstowe to Levski | 1,247.87 mi (2,008.25 km) |
| Felixstowe to Lom | 1,152.91 mi (1,855.44 km) |
| Felixstowe to Lovech | 1,240.86 mi (1,996.97 km) |
| Felixstowe to Lukovit | 1,216.15 mi (1,957.20 km) |
| Felixstowe to Lyaskovets | 1,282.42 mi (2,063.86 km) |
| Felixstowe to Mezdra | 1,199.76 mi (1,930.82 km) |
| Felixstowe to Momchilgrad | 1,338.47 mi (2,154.06 km) |
