| Castelginest to Karlovo | 1,176.23 mi (1,892.95 km) |
| Castelginest to Karnobat | 1,284.65 mi (2,067.45 km) |
| Castelginest to Kavarna | 1,340.98 mi (2,158.09 km) |
| Castelginest to Kazanlak | 1,206.12 mi (1,941.06 km) |
| Castelginest to Knezha | 1,129.93 mi (1,818.45 km) |
| Castelginest to Kostinbrod | 1,094.71 mi (1,761.77 km) |
| Castelginest to Kozloduy | 1,109.88 mi (1,786.18 km) |
| Castelginest to Kyustendil | 1,075.47 mi (1,730.80 km) |
| Castelginest to Levski | 1,183.40 mi (1,904.50 km) |
| Castelginest to Lom | 1,084.98 mi (1,746.11 km) |
| Castelginest to Lovech | 1,165.43 mi (1,875.58 km) |
| Castelginest to Lukovit | 1,137.33 mi (1,830.35 km) |
| Castelginest to Lyaskovets | 1,215.48 mi (1,956.13 km) |
| Castelginest to Mezdra | 1,114.71 mi (1,793.96 km) |
| Castelginest to Momchilgrad | 1,224.30 mi (1,970.33 km) |
