| Wilmette to Karlovo | 5,239.67 mi (8,432.43 km) |
| Wilmette to Karnobat | 5,317.56 mi (8,557.79 km) |
| Wilmette to Kavarna | 5,324.38 mi (8,568.75 km) |
| Wilmette to Kazanlak | 5,262.23 mi (8,468.74 km) |
| Wilmette to Knezha | 5,172.07 mi (8,323.64 km) |
| Wilmette to Kostinbrod | 5,173.76 mi (8,326.36 km) |
| Wilmette to Kozloduy | 5,145.87 mi (8,281.48 km) |
| Wilmette to Kyustendil | 5,179.84 mi (8,336.14 km) |
| Wilmette to Levski | 5,215.97 mi (8,394.29 km) |
| Wilmette to Lom | 5,126.07 mi (8,249.62 km) |
| Wilmette to Lovech | 5,212.48 mi (8,388.67 km) |
| Wilmette to Lukovit | 5,189.59 mi (8,351.83 km) |
| Wilmette to Lyaskovets | 5,249.73 mi (8,448.63 km) |
| Wilmette to Mezdra | 5,175.21 mi (8,328.70 km) |
| Wilmette to Momchilgrad | 5,316.16 mi (8,555.53 km) |
