| Horbury to Montana | 1,326.30 mi (2,134.47 km) |
| Horbury to Nova Zagora | 1,474.42 mi (2,372.85 km) |
| Horbury to Novi Iskar | 1,358.98 mi (2,187.07 km) |
| Horbury to Novi Pazar | 1,482.33 mi (2,385.57 km) |
| Horbury to Omurtag | 1,462.71 mi (2,354.01 km) |
| Horbury to Panagyurishte | 1,404.28 mi (2,259.97 km) |
| Horbury to Parvomay | 1,461.96 mi (2,352.79 km) |
| Horbury to Pavlikeni | 1,414.01 mi (2,275.62 km) |
| Horbury to Pazardzhik | 1,423.92 mi (2,291.58 km) |
| Horbury to Pernik | 1,356.45 mi (2,182.99 km) |
| Horbury to Peshtera | 1,430.50 mi (2,302.17 km) |
| Horbury to Petrich | 1,420.60 mi (2,286.24 km) |
| Horbury to Pleven | 1,379.68 mi (2,220.37 km) |
| Horbury to Plovdiv | 1,441.97 mi (2,320.62 km) |
| Horbury to Pomorie | 1,532.91 mi (2,466.99 km) |
