| Cayey to Karlovo | 5,426.14 mi (8,732.53 km) |
| Cayey to Karnobat | 5,533.23 mi (8,904.88 km) |
| Cayey to Kavarna | 5,583.64 mi (8,985.99 km) |
| Cayey to Kazanlak | 5,455.80 mi (8,780.26 km) |
| Cayey to Knezha | 5,376.52 mi (8,652.67 km) |
| Cayey to Kostinbrod | 5,344.87 mi (8,601.75 km) |
| Cayey to Kozloduy | 5,354.97 mi (8,617.99 km) |
| Cayey to Kyustendil | 5,326.70 mi (8,572.49 km) |
| Cayey to Levski | 5,429.87 mi (8,738.54 km) |
| Cayey to Lom | 5,330.22 mi (8,578.17 km) |
| Cayey to Lovech | 5,413.47 mi (8,712.14 km) |
| Cayey to Lukovit | 5,385.45 mi (8,667.05 km) |
| Cayey to Lyaskovets | 5,462.91 mi (8,791.70 km) |
| Cayey to Mezdra | 5,363.39 mi (8,631.55 km) |
| Cayey to Momchilgrad | 5,475.55 mi (8,812.05 km) |
