| Calne to Karlovo | 1,390.48 mi (2,237.76 km) |
| Calne to Karnobat | 1,481.80 mi (2,384.72 km) |
| Calne to Kavarna | 1,508.56 mi (2,427.80 km) |
| Calne to Kazanlak | 1,416.21 mi (2,279.16 km) |
| Calne to Knezha | 1,326.91 mi (2,135.46 km) |
| Calne to Kostinbrod | 1,317.75 mi (2,120.71 km) |
| Calne to Kozloduy | 1,301.54 mi (2,094.62 km) |
| Calne to Kyustendil | 1,317.76 mi (2,120.73 km) |
| Calne to Levski | 1,375.93 mi (2,214.35 km) |
| Calne to Lom | 1,279.23 mi (2,058.72 km) |
| Calne to Lovech | 1,367.43 mi (2,200.67 km) |
| Calne to Lukovit | 1,341.95 mi (2,159.66 km) |
| Calne to Lyaskovets | 1,410.59 mi (2,270.13 km) |
| Calne to Mezdra | 1,324.50 mi (2,131.57 km) |
| Calne to Momchilgrad | 1,461.04 mi (2,351.31 km) |
