| Prestwick to Karlovo | 1,582.00 mi (2,545.99 km) |
| Prestwick to Karnobat | 1,662.34 mi (2,675.27 km) |
| Prestwick to Kavarna | 1,675.51 mi (2,696.47 km) |
| Prestwick to Kazanlak | 1,604.90 mi (2,582.84 km) |
| Prestwick to Knezha | 1,514.68 mi (2,437.64 km) |
| Prestwick to Kostinbrod | 1,516.16 mi (2,440.03 km) |
| Prestwick to Kozloduy | 1,488.53 mi (2,395.56 km) |
| Prestwick to Kyustendil | 1,523.48 mi (2,451.81 km) |
| Prestwick to Levski | 1,559.46 mi (2,509.70 km) |
| Prestwick to Lom | 1,468.46 mi (2,363.25 km) |
| Prestwick to Lovech | 1,555.18 mi (2,502.82 km) |
| Prestwick to Lukovit | 1,531.99 mi (2,465.49 km) |
| Prestwick to Lyaskovets | 1,593.50 mi (2,564.49 km) |
| Prestwick to Mezdra | 1,517.44 mi (2,442.08 km) |
| Prestwick to Momchilgrad | 1,658.40 mi (2,668.93 km) |
