| Somma Lombardo to Karlovo | 823.92 mi (1,325.97 km) |
| Somma Lombardo to Karnobat | 928.23 mi (1,493.85 km) |
| Somma Lombardo to Kavarna | 976.45 mi (1,571.44 km) |
| Somma Lombardo to Kazanlak | 852.85 mi (1,372.53 km) |
| Somma Lombardo to Knezha | 770.52 mi (1,240.03 km) |
| Somma Lombardo to Kostinbrod | 744.07 mi (1,197.47 km) |
| Somma Lombardo to Kozloduy | 748.30 mi (1,204.28 km) |
| Somma Lombardo to Kyustendil | 732.65 mi (1,179.08 km) |
| Somma Lombardo to Levski | 823.62 mi (1,325.48 km) |
| Somma Lombardo to Lom | 723.69 mi (1,164.66 km) |
| Somma Lombardo to Lovech | 808.46 mi (1,301.10 km) |
| Somma Lombardo to Lukovit | 780.69 mi (1,256.40 km) |
| Somma Lombardo to Lyaskovets | 857.15 mi (1,379.45 km) |
| Somma Lombardo to Mezdra | 759.44 mi (1,222.20 km) |
| Somma Lombardo to Momchilgrad | 882.12 mi (1,419.63 km) |
