| Somma Lombardo to Devnya | 943.73 mi (1,518.78 km) |
| Somma Lombardo to Dimitrovgrad | 876.55 mi (1,410.68 km) |
| Somma Lombardo to Dobrich | 949.83 mi (1,528.60 km) |
| Somma Lombardo to Dospat | 820.10 mi (1,319.83 km) |
| Somma Lombardo to Dupnitsa | 753.58 mi (1,212.77 km) |
| Somma Lombardo to Elhovo | 919.54 mi (1,479.85 km) |
| Somma Lombardo to Etropole | 780.95 mi (1,256.82 km) |
| Somma Lombardo to Gabrovo | 843.87 mi (1,358.08 km) |
| Somma Lombardo to Gorna Oryahovitsa | 855.64 mi (1,377.03 km) |
| Somma Lombardo to Gotse Delchev | 802.36 mi (1,291.27 km) |
| Somma Lombardo to Harmanli | 893.87 mi (1,438.55 km) |
| Somma Lombardo to Haskovo | 878.08 mi (1,413.13 km) |
| Somma Lombardo to Ihtiman | 781.96 mi (1,258.44 km) |
| Somma Lombardo to Isperih | 898.86 mi (1,446.58 km) |
| Somma Lombardo to Kardzhali | 876.44 mi (1,410.49 km) |
