| McKeesport to Karlovo | 5,025.77 mi (8,088.20 km) |
| McKeesport to Karnobat | 5,110.92 mi (8,225.23 km) |
| McKeesport to Kavarna | 5,126.27 mi (8,249.93 km) |
| McKeesport to Kazanlak | 5,050.17 mi (8,127.47 km) |
| McKeesport to Knezha | 4,960.08 mi (7,982.48 km) |
| McKeesport to Kostinbrod | 4,955.52 mi (7,975.14 km) |
| McKeesport to Kozloduy | 4,934.18 mi (7,940.80 km) |
| McKeesport to Kyustendil | 4,957.21 mi (7,977.85 km) |
| McKeesport to Levski | 5,006.75 mi (8,057.59 km) |
| McKeesport to Lom | 4,913.00 mi (7,906.72 km) |
| McKeesport to Lovech | 5,000.73 mi (8,047.90 km) |
| McKeesport to Lukovit | 4,976.36 mi (8,008.68 km) |
| McKeesport to Lyaskovets | 5,041.12 mi (8,112.90 km) |
| McKeesport to Mezdra | 4,960.21 mi (7,982.69 km) |
| McKeesport to Momchilgrad | 5,098.85 mi (8,205.80 km) |
