| Horsham to Montana | 1,217.59 mi (1,959.53 km) |
| Horsham to Nova Zagora | 1,369.93 mi (2,204.69 km) |
| Horsham to Novi Iskar | 1,246.82 mi (2,006.56 km) |
| Horsham to Novi Pazar | 1,387.26 mi (2,232.59 km) |
| Horsham to Omurtag | 1,363.40 mi (2,194.18 km) |
| Horsham to Panagyurishte | 1,293.32 mi (2,081.40 km) |
| Horsham to Parvomay | 1,352.31 mi (2,176.34 km) |
| Horsham to Pavlikeni | 1,311.81 mi (2,111.15 km) |
| Horsham to Pazardzhik | 1,311.70 mi (2,110.97 km) |
| Horsham to Pernik | 1,241.86 mi (1,998.57 km) |
| Horsham to Peshtera | 1,317.18 mi (2,119.79 km) |
| Horsham to Petrich | 1,299.64 mi (2,091.57 km) |
| Horsham to Pleven | 1,276.07 mi (2,053.64 km) |
| Horsham to Plovdiv | 1,330.95 mi (2,141.96 km) |
| Horsham to Pomorie | 1,434.36 mi (2,308.39 km) |
