| Lake Charles to Karlovo | 6,051.55 mi (9,739.03 km) |
| Lake Charles to Karnobat | 6,135.58 mi (9,874.26 km) |
| Lake Charles to Kavarna | 6,149.11 mi (9,896.03 km) |
| Lake Charles to Kazanlak | 6,075.70 mi (9,777.90 km) |
| Lake Charles to Knezha | 5,985.54 mi (9,632.80 km) |
| Lake Charles to Kostinbrod | 5,981.80 mi (9,626.77 km) |
| Lake Charles to Kozloduy | 5,959.58 mi (9,591.02 km) |
| Lake Charles to Kyustendil | 5,983.89 mi (9,630.15 km) |
| Lake Charles to Levski | 6,031.80 mi (9,707.24 km) |
| Lake Charles to Lom | 5,938.60 mi (9,557.25 km) |
| Lake Charles to Lovech | 6,026.18 mi (9,698.20 km) |
| Lake Charles to Lukovit | 6,002.02 mi (9,659.31 km) |
| Lake Charles to Lyaskovets | 6,066.09 mi (9,762.42 km) |
| Lake Charles to Mezdra | 5,986.11 mi (9,633.71 km) |
| Lake Charles to Momchilgrad | 6,125.09 mi (9,857.38 km) |
