| Boo to Montana | 1,119.19 mi (1,801.16 km) |
| Boo to Nova Zagora | 1,208.82 mi (1,945.41 km) |
| Boo to Novi Iskar | 1,161.66 mi (1,869.50 km) |
| Boo to Novi Pazar | 1,166.45 mi (1,877.22 km) |
| Boo to Omurtag | 1,172.84 mi (1,887.51 km) |
| Boo to Panagyurishte | 1,189.19 mi (1,913.82 km) |
| Boo to Parvomay | 1,226.39 mi (1,973.69 km) |
| Boo to Pavlikeni | 1,150.34 mi (1,851.29 km) |
| Boo to Pazardzhik | 1,210.95 mi (1,948.84 km) |
| Boo to Pernik | 1,172.88 mi (1,887.57 km) |
| Boo to Peshtera | 1,221.98 mi (1,966.59 km) |
| Boo to Petrich | 1,256.54 mi (2,022.20 km) |
| Boo to Pleven | 1,131.79 mi (1,821.43 km) |
| Boo to Plovdiv | 1,218.30 mi (1,960.66 km) |
| Boo to Pomorie | 1,224.16 mi (1,970.10 km) |
