| Maryland Heights to Karlovo | 5,507.43 mi (8,863.35 km) |
| Maryland Heights to Karnobat | 5,586.37 mi (8,990.40 km) |
| Maryland Heights to Kavarna | 5,594.23 mi (9,003.05 km) |
| Maryland Heights to Kazanlak | 5,530.27 mi (8,900.11 km) |
| Maryland Heights to Knezha | 5,440.07 mi (8,754.94 km) |
| Maryland Heights to Kostinbrod | 5,440.82 mi (8,756.16 km) |
| Maryland Heights to Kozloduy | 5,413.90 mi (8,712.83 km) |
| Maryland Heights to Kyustendil | 5,446.20 mi (8,764.81 km) |
| Maryland Heights to Levski | 5,484.38 mi (8,826.26 km) |
| Maryland Heights to Lom | 5,393.89 mi (8,680.63 km) |
| Maryland Heights to Lovech | 5,480.53 mi (8,820.07 km) |
| Maryland Heights to Lukovit | 5,457.42 mi (8,782.86 km) |
| Maryland Heights to Lyaskovets | 5,518.24 mi (8,880.76 km) |
| Maryland Heights to Mezdra | 5,442.77 mi (8,759.30 km) |
| Maryland Heights to Momchilgrad | 5,583.45 mi (8,985.70 km) |
