| Howard to Karlovo | 5,129.91 mi (8,255.80 km) |
| Howard to Karnobat | 5,205.04 mi (8,376.70 km) |
| Howard to Kavarna | 5,208.88 mi (8,382.89 km) |
| Howard to Kazanlak | 5,151.76 mi (8,290.96 km) |
| Howard to Knezha | 5,061.79 mi (8,146.16 km) |
| Howard to Kostinbrod | 5,065.74 mi (8,152.52 km) |
| Howard to Kozloduy | 5,035.54 mi (8,103.92 km) |
| Howard to Kyustendil | 5,073.44 mi (8,164.91 km) |
| Howard to Levski | 5,104.59 mi (8,215.04 km) |
| Howard to Lom | 5,016.29 mi (8,072.93 km) |
| Howard to Lovech | 5,102.01 mi (8,210.89 km) |
| Howard to Lukovit | 5,079.71 mi (8,175.00 km) |
| Howard to Lyaskovets | 5,138.06 mi (8,268.91 km) |
| Howard to Mezdra | 5,066.01 mi (8,152.95 km) |
| Howard to Momchilgrad | 5,207.47 mi (8,380.62 km) |
