| Box Elder to Montana | 5,544.13 mi (8,922.41 km) |
| Box Elder to Nova Zagora | 5,677.12 mi (9,136.43 km) |
| Box Elder to Novi Iskar | 5,581.93 mi (8,983.24 km) |
| Box Elder to Novi Pazar | 5,661.33 mi (9,111.03 km) |
| Box Elder to Omurtag | 5,653.74 mi (9,098.82 km) |
| Box Elder to Panagyurishte | 5,623.42 mi (9,050.02 km) |
| Box Elder to Parvomay | 5,676.34 mi (9,135.19 km) |
| Box Elder to Pavlikeni | 5,614.44 mi (9,035.57 km) |
| Box Elder to Pazardzhik | 5,644.77 mi (9,084.37 km) |
| Box Elder to Pernik | 5,583.69 mi (8,986.08 km) |
| Box Elder to Peshtera | 5,653.19 mi (9,097.94 km) |
| Box Elder to Petrich | 5,656.36 mi (9,103.03 km) |
| Box Elder to Pleven | 5,584.92 mi (8,988.06 km) |
| Box Elder to Plovdiv | 5,659.85 mi (9,108.65 km) |
| Box Elder to Pomorie | 5,718.01 mi (9,202.25 km) |
