| Erie to Karlovo | 4,953.15 mi (7,971.32 km) |
| Erie to Karnobat | 5,036.42 mi (8,105.33 km) |
| Erie to Kavarna | 5,049.55 mi (8,126.46 km) |
| Erie to Kazanlak | 4,977.07 mi (8,009.82 km) |
| Erie to Knezha | 4,886.87 mi (7,864.66 km) |
| Erie to Kostinbrod | 4,884.02 mi (7,860.07 km) |
| Erie to Kozloduy | 4,860.87 mi (7,822.81 km) |
| Erie to Kyustendil | 4,886.93 mi (7,864.76 km) |
| Erie to Levski | 4,932.84 mi (7,938.64 km) |
| Erie to Lom | 4,840.04 mi (7,789.30 km) |
| Erie to Lovech | 4,927.49 mi (7,930.04 km) |
| Erie to Lukovit | 4,903.50 mi (7,891.43 km) |
| Erie to Lyaskovets | 4,967.08 mi (7,993.74 km) |
| Erie to Mezdra | 4,887.83 mi (7,866.20 km) |
| Erie to Momchilgrad | 5,027.22 mi (8,090.54 km) |
