| Bolton to Montana | 1,357.52 mi (2,184.71 km) |
| Bolton to Nova Zagora | 1,506.21 mi (2,424.00 km) |
| Bolton to Novi Iskar | 1,389.82 mi (2,236.69 km) |
| Bolton to Novi Pazar | 1,515.05 mi (2,438.24 km) |
| Bolton to Omurtag | 1,495.02 mi (2,406.01 km) |
| Bolton to Panagyurishte | 1,435.29 mi (2,309.88 km) |
| Bolton to Parvomay | 1,493.16 mi (2,403.01 km) |
| Bolton to Pavlikeni | 1,446.00 mi (2,327.10 km) |
| Bolton to Pazardzhik | 1,454.80 mi (2,341.27 km) |
| Bolton to Pernik | 1,386.98 mi (2,232.13 km) |
| Bolton to Peshtera | 1,461.25 mi (2,351.65 km) |
| Bolton to Petrich | 1,450.35 mi (2,334.11 km) |
| Bolton to Pleven | 1,411.49 mi (2,271.58 km) |
| Bolton to Plovdiv | 1,473.00 mi (2,370.56 km) |
| Bolton to Pomorie | 1,565.34 mi (2,519.17 km) |
