| Horndean to Montana | 1,242.87 mi (2,000.20 km) |
| Horndean to Nova Zagora | 1,395.56 mi (2,245.94 km) |
| Horndean to Novi Iskar | 1,271.63 mi (2,046.49 km) |
| Horndean to Novi Pazar | 1,413.90 mi (2,275.45 km) |
| Horndean to Omurtag | 1,389.61 mi (2,236.36 km) |
| Horndean to Panagyurishte | 1,318.24 mi (2,121.51 km) |
| Horndean to Parvomay | 1,377.35 mi (2,216.63 km) |
| Horndean to Pavlikeni | 1,337.75 mi (2,152.90 km) |
| Horndean to Pazardzhik | 1,336.44 mi (2,150.79 km) |
| Horndean to Pernik | 1,266.36 mi (2,038.00 km) |
| Horndean to Peshtera | 1,341.77 mi (2,159.37 km) |
| Horndean to Petrich | 1,323.20 mi (2,129.48 km) |
| Horndean to Pleven | 1,301.89 mi (2,095.18 km) |
| Horndean to Plovdiv | 1,355.83 mi (2,182.00 km) |
| Horndean to Pomorie | 1,460.61 mi (2,350.62 km) |
