| Middleburg Heights to Karlovo | 5,054.39 mi (8,134.26 km) |
| Middleburg Heights to Karnobat | 5,137.23 mi (8,267.57 km) |
| Middleburg Heights to Kavarna | 5,149.79 mi (8,287.78 km) |
| Middleburg Heights to Kazanlak | 5,078.21 mi (8,172.59 km) |
| Middleburg Heights to Knezha | 4,988.00 mi (8,027.41 km) |
| Middleburg Heights to Kostinbrod | 4,985.51 mi (8,023.41 km) |
| Middleburg Heights to Kozloduy | 4,961.97 mi (7,985.53 km) |
| Middleburg Heights to Kyustendil | 4,988.67 mi (8,028.49 km) |
| Middleburg Heights to Levski | 5,033.80 mi (8,101.12 km) |
| Middleburg Heights to Lom | 4,941.23 mi (7,952.14 km) |
| Middleburg Heights to Lovech | 5,028.61 mi (8,092.77 km) |
| Middleburg Heights to Lukovit | 5,004.71 mi (8,054.30 km) |
| Middleburg Heights to Lyaskovets | 5,068.01 mi (8,156.17 km) |
| Middleburg Heights to Mezdra | 4,989.13 mi (8,029.23 km) |
| Middleburg Heights to Momchilgrad | 5,128.68 mi (8,253.81 km) |
