| Sidmouth to Karlovo | 1,430.23 mi (2,301.73 km) |
| Sidmouth to Karnobat | 1,524.20 mi (2,452.97 km) |
| Sidmouth to Kavarna | 1,554.37 mi (2,501.51 km) |
| Sidmouth to Kazanlak | 1,456.65 mi (2,344.24 km) |
| Sidmouth to Knezha | 1,368.04 mi (2,201.66 km) |
| Sidmouth to Kostinbrod | 1,355.82 mi (2,181.98 km) |
| Sidmouth to Kozloduy | 1,343.02 mi (2,161.39 km) |
| Sidmouth to Kyustendil | 1,353.56 mi (2,178.34 km) |
| Sidmouth to Levski | 1,418.01 mi (2,282.06 km) |
| Sidmouth to Lom | 1,320.20 mi (2,124.66 km) |
| Sidmouth to Lovech | 1,408.37 mi (2,266.56 km) |
| Sidmouth to Lukovit | 1,382.36 mi (2,224.70 km) |
| Sidmouth to Lyaskovets | 1,452.67 mi (2,337.85 km) |
| Sidmouth to Mezdra | 1,364.16 mi (2,195.40 km) |
| Sidmouth to Momchilgrad | 1,498.74 mi (2,411.99 km) |
