| Somain to Montana | 1,052.55 mi (1,693.91 km) |
| Somain to Nova Zagora | 1,204.87 mi (1,939.05 km) |
| Somain to Novi Iskar | 1,081.90 mi (1,741.15 km) |
| Somain to Novi Pazar | 1,222.64 mi (1,967.66 km) |
| Somain to Omurtag | 1,198.50 mi (1,928.81 km) |
| Somain to Panagyurishte | 1,128.36 mi (1,815.92 km) |
| Somain to Parvomay | 1,187.32 mi (1,910.80 km) |
| Somain to Pavlikeni | 1,146.81 mi (1,845.61 km) |
| Somain to Pazardzhik | 1,146.80 mi (1,845.60 km) |
| Somain to Pernik | 1,077.09 mi (1,733.41 km) |
| Somain to Peshtera | 1,152.35 mi (1,854.53 km) |
| Somain to Petrich | 1,135.60 mi (1,827.58 km) |
| Somain to Pleven | 1,111.04 mi (1,788.04 km) |
| Somain to Plovdiv | 1,166.00 mi (1,876.50 km) |
| Somain to Pomorie | 1,269.49 mi (2,043.04 km) |
