| Billdal to Montana | 1,094.63 mi (1,761.63 km) |
| Billdal to Nova Zagora | 1,210.27 mi (1,947.74 km) |
| Billdal to Novi Iskar | 1,135.91 mi (1,828.08 km) |
| Billdal to Novi Pazar | 1,184.81 mi (1,906.77 km) |
| Billdal to Omurtag | 1,181.66 mi (1,901.70 km) |
| Billdal to Panagyurishte | 1,171.27 mi (1,884.97 km) |
| Billdal to Parvomay | 1,217.67 mi (1,959.64 km) |
| Billdal to Pavlikeni | 1,148.26 mi (1,847.94 km) |
| Billdal to Pazardzhik | 1,193.34 mi (1,920.50 km) |
| Billdal to Pernik | 1,142.83 mi (1,839.21 km) |
| Billdal to Peshtera | 1,203.31 mi (1,936.54 km) |
| Billdal to Petrich | 1,223.85 mi (1,969.59 km) |
| Billdal to Pleven | 1,122.88 mi (1,807.11 km) |
| Billdal to Plovdiv | 1,204.89 mi (1,939.08 km) |
| Billdal to Pomorie | 1,242.36 mi (1,999.38 km) |
