| Columbus to Karlovo | 5,164.44 mi (8,311.37 km) |
| Columbus to Karnobat | 5,247.79 mi (8,445.50 km) |
| Columbus to Kavarna | 5,260.91 mi (8,466.62 km) |
| Columbus to Kazanlak | 5,188.39 mi (8,349.91 km) |
| Columbus to Knezha | 5,098.20 mi (8,204.76 km) |
| Columbus to Kostinbrod | 5,095.23 mi (8,199.98 km) |
| Columbus to Kozloduy | 5,072.20 mi (8,162.92 km) |
| Columbus to Kyustendil | 5,098.03 mi (8,204.49 km) |
| Columbus to Levski | 5,144.20 mi (8,278.78 km) |
| Columbus to Lom | 5,051.36 mi (8,129.38 km) |
| Columbus to Lovech | 5,138.82 mi (8,270.14 km) |
| Columbus to Lukovit | 5,114.81 mi (8,231.50 km) |
| Columbus to Lyaskovets | 5,178.44 mi (8,333.90 km) |
| Columbus to Mezdra | 5,099.11 mi (8,206.22 km) |
| Columbus to Momchilgrad | 5,238.45 mi (8,430.47 km) |
