| Thornbury to Montana | 1,319.28 mi (2,123.18 km) |
| Thornbury to Nova Zagora | 1,471.37 mi (2,367.94 km) |
| Thornbury to Novi Iskar | 1,348.73 mi (2,170.56 km) |
| Thornbury to Novi Pazar | 1,487.79 mi (2,394.37 km) |
| Thornbury to Omurtag | 1,464.37 mi (2,356.67 km) |
| Thornbury to Panagyurishte | 1,395.18 mi (2,245.32 km) |
| Thornbury to Parvomay | 1,454.12 mi (2,340.17 km) |
| Thornbury to Pavlikeni | 1,413.02 mi (2,274.04 km) |
| Thornbury to Pazardzhik | 1,413.63 mi (2,275.02 km) |
| Thornbury to Pernik | 1,343.88 mi (2,162.76 km) |
| Thornbury to Peshtera | 1,419.16 mi (2,283.92 km) |
| Thornbury to Petrich | 1,401.84 mi (2,256.05 km) |
| Thornbury to Pleven | 1,377.39 mi (2,216.70 km) |
| Thornbury to Plovdiv | 1,432.83 mi (2,305.91 km) |
| Thornbury to Pomorie | 1,535.30 mi (2,470.82 km) |
