| Calera to Karlovo | 5,646.74 mi (9,087.54 km) |
| Calera to Karnobat | 5,733.44 mi (9,227.08 km) |
| Calera to Kavarna | 5,750.43 mi (9,254.42 km) |
| Calera to Kazanlak | 5,671.55 mi (9,127.47 km) |
| Calera to Knezha | 5,581.60 mi (8,982.71 km) |
| Calera to Kostinbrod | 5,575.48 mi (8,972.86 km) |
| Calera to Kozloduy | 5,555.80 mi (8,941.20 km) |
| Calera to Kyustendil | 5,575.95 mi (8,973.62 km) |
| Calera to Levski | 5,628.84 mi (9,058.74 km) |
| Calera to Lom | 5,534.33 mi (8,906.64 km) |
| Calera to Lovech | 5,622.24 mi (9,048.13 km) |
| Calera to Lukovit | 5,597.56 mi (9,008.40 km) |
| Calera to Lyaskovets | 5,663.30 mi (9,114.20 km) |
| Calera to Mezdra | 5,581.00 mi (8,981.75 km) |
| Calera to Momchilgrad | 5,718.83 mi (9,203.56 km) |
