| Apen to Montana | 976.60 mi (1,571.68 km) |
| Apen to Nova Zagora | 1,117.57 mi (1,798.55 km) |
| Apen to Novi Iskar | 1,012.92 mi (1,630.13 km) |
| Apen to Novi Pazar | 1,116.38 mi (1,796.64 km) |
| Apen to Omurtag | 1,100.83 mi (1,771.61 km) |
| Apen to Panagyurishte | 1,055.87 mi (1,699.27 km) |
| Apen to Parvomay | 1,111.02 mi (1,788.01 km) |
| Apen to Pavlikeni | 1,055.60 mi (1,698.83 km) |
| Apen to Pazardzhik | 1,076.73 mi (1,732.83 km) |
| Apen to Pernik | 1,013.59 mi (1,631.22 km) |
| Apen to Peshtera | 1,084.59 mi (1,745.48 km) |
| Apen to Petrich | 1,085.32 mi (1,746.66 km) |
| Apen to Pleven | 1,023.26 mi (1,646.77 km) |
| Apen to Plovdiv | 1,092.98 mi (1,758.99 km) |
| Apen to Pomorie | 1,169.52 mi (1,882.16 km) |
