| Cayce to Karlovo | 5,374.24 mi (8,649.01 km) |
| Cayce to Karnobat | 5,464.25 mi (8,793.87 km) |
| Cayce to Kavarna | 5,485.61 mi (8,828.23 km) |
| Cayce to Kazanlak | 5,399.87 mi (8,690.26 km) |
| Cayce to Knezha | 5,310.39 mi (8,546.25 km) |
| Cayce to Kostinbrod | 5,301.12 mi (8,531.33 km) |
| Cayce to Kozloduy | 5,284.88 mi (8,505.19 km) |
| Cayce to Kyustendil | 5,299.38 mi (8,528.53 km) |
| Cayce to Levski | 5,358.83 mi (8,624.20 km) |
| Cayce to Lom | 5,262.80 mi (8,469.66 km) |
| Cayce to Lovech | 5,350.97 mi (8,611.55 km) |
| Cayce to Lukovit | 5,325.64 mi (8,570.79 km) |
| Cayce to Lyaskovets | 5,393.44 mi (8,679.90 km) |
| Cayce to Mezdra | 5,308.26 mi (8,542.82 km) |
| Cayce to Momchilgrad | 5,444.26 mi (8,761.69 km) |
