| Bowling Green to Karlovo | 5,443.59 mi (8,760.61 km) |
| Bowling Green to Karnobat | 5,527.22 mi (8,895.20 km) |
| Bowling Green to Kavarna | 5,540.54 mi (8,916.63 km) |
| Bowling Green to Kazanlak | 5,467.62 mi (8,799.29 km) |
| Bowling Green to Knezha | 5,377.44 mi (8,654.16 km) |
| Bowling Green to Kostinbrod | 5,374.17 mi (8,648.89 km) |
| Bowling Green to Kozloduy | 5,351.46 mi (8,612.34 km) |
| Bowling Green to Kyustendil | 5,376.70 mi (8,652.97 km) |
| Bowling Green to Levski | 5,423.54 mi (8,728.35 km) |
| Bowling Green to Lom | 5,330.56 mi (8,578.70 km) |
| Bowling Green to Lovech | 5,418.07 mi (8,719.54 km) |
| Bowling Green to Lukovit | 5,394.00 mi (8,680.80 km) |
| Bowling Green to Lyaskovets | 5,457.81 mi (8,783.49 km) |
| Bowling Green to Mezdra | 5,378.21 mi (8,655.39 km) |
| Bowling Green to Momchilgrad | 5,517.42 mi (8,879.43 km) |
