| West Chicago to Karlovo | 5,266.46 mi (8,475.55 km) |
| West Chicago to Karnobat | 5,344.15 mi (8,600.58 km) |
| West Chicago to Kavarna | 5,350.73 mi (8,611.17 km) |
| West Chicago to Kazanlak | 5,288.97 mi (8,511.78 km) |
| West Chicago to Knezha | 5,198.82 mi (8,366.69 km) |
| West Chicago to Kostinbrod | 5,200.67 mi (8,369.66 km) |
| West Chicago to Kozloduy | 5,172.62 mi (8,324.53 km) |
| West Chicago to Kyustendil | 5,206.85 mi (8,379.62 km) |
| West Chicago to Levski | 5,242.64 mi (8,437.22 km) |
| West Chicago to Lom | 5,152.86 mi (8,292.72 km) |
| West Chicago to Lovech | 5,239.22 mi (8,431.70 km) |
| West Chicago to Lukovit | 5,216.37 mi (8,394.93 km) |
| West Chicago to Lyaskovets | 5,276.38 mi (8,491.52 km) |
| West Chicago to Mezdra | 5,202.04 mi (8,371.87 km) |
| West Chicago to Momchilgrad | 5,343.03 mi (8,598.77 km) |
