| Circleville to Karlovo | 5,180.49 mi (8,337.20 km) |
| Circleville to Karnobat | 5,264.24 mi (8,471.97 km) |
| Circleville to Kavarna | 5,277.82 mi (8,493.83 km) |
| Circleville to Kazanlak | 5,204.55 mi (8,375.91 km) |
| Circleville to Knezha | 5,114.37 mi (8,230.78 km) |
| Circleville to Kostinbrod | 5,111.05 mi (8,225.43 km) |
| Circleville to Kozloduy | 5,088.39 mi (8,188.98 km) |
| Circleville to Kyustendil | 5,113.59 mi (8,229.53 km) |
| Circleville to Levski | 5,160.51 mi (8,305.05 km) |
| Circleville to Lom | 5,067.47 mi (8,155.31 km) |
| Circleville to Lovech | 5,155.00 mi (8,296.17 km) |
| Circleville to Lukovit | 5,130.91 mi (8,257.40 km) |
| Circleville to Lyaskovets | 5,194.79 mi (8,360.20 km) |
| Circleville to Mezdra | 5,115.11 mi (8,231.97 km) |
| Circleville to Momchilgrad | 5,254.30 mi (8,455.98 km) |
