| Carbondale to Karlovo | 5,511.83 mi (8,870.43 km) |
| Carbondale to Karnobat | 5,592.66 mi (9,000.52 km) |
| Carbondale to Kavarna | 5,602.68 mi (9,016.64 km) |
| Carbondale to Kazanlak | 5,535.15 mi (8,907.97 km) |
| Carbondale to Knezha | 5,444.92 mi (8,762.75 km) |
| Carbondale to Kostinbrod | 5,444.07 mi (8,761.38 km) |
| Carbondale to Kozloduy | 5,418.81 mi (8,720.73 km) |
| Carbondale to Kyustendil | 5,448.31 mi (8,768.21 km) |
| Carbondale to Levski | 5,489.96 mi (8,835.23 km) |
| Carbondale to Lom | 5,398.44 mi (8,687.94 km) |
| Carbondale to Lovech | 5,485.47 mi (8,828.00 km) |
| Carbondale to Lukovit | 5,461.96 mi (8,790.17 km) |
| Carbondale to Lyaskovets | 5,524.00 mi (8,890.01 km) |
| Carbondale to Mezdra | 5,446.85 mi (8,765.86 km) |
| Carbondale to Momchilgrad | 5,587.01 mi (8,991.43 km) |
