| Boston to Montana | 1,249.67 mi (2,011.16 km) |
| Boston to Nova Zagora | 1,398.48 mi (2,250.64 km) |
| Boston to Novi Iskar | 1,281.95 mi (2,063.10 km) |
| Boston to Novi Pazar | 1,407.84 mi (2,265.70 km) |
| Boston to Omurtag | 1,387.53 mi (2,233.02 km) |
| Boston to Panagyurishte | 1,327.43 mi (2,136.30 km) |
| Boston to Parvomay | 1,385.31 mi (2,229.45 km) |
| Boston to Pavlikeni | 1,338.35 mi (2,153.87 km) |
| Boston to Pazardzhik | 1,346.93 mi (2,167.68 km) |
| Boston to Pernik | 1,279.14 mi (2,058.57 km) |
| Boston to Peshtera | 1,353.39 mi (2,178.07 km) |
| Boston to Petrich | 1,342.67 mi (2,160.82 km) |
| Boston to Pleven | 1,303.79 mi (2,098.24 km) |
| Boston to Plovdiv | 1,365.14 mi (2,196.98 km) |
| Boston to Pomorie | 1,457.91 mi (2,346.28 km) |
