| Darby to Montana | 4,765.61 mi (7,669.51 km) |
| Darby to Nova Zagora | 4,916.79 mi (7,912.81 km) |
| Darby to Novi Iskar | 4,795.40 mi (7,717.45 km) |
| Darby to Novi Pazar | 4,928.15 mi (7,931.10 km) |
| Darby to Omurtag | 4,907.46 mi (7,897.79 km) |
| Darby to Panagyurishte | 4,841.82 mi (7,792.15 km) |
| Darby to Parvomay | 4,900.67 mi (7,886.87 km) |
| Darby to Pavlikeni | 4,857.49 mi (7,817.37 km) |
| Darby to Pazardzhik | 4,860.31 mi (7,821.91 km) |
| Darby to Pernik | 4,790.46 mi (7,709.49 km) |
| Darby to Peshtera | 4,865.80 mi (7,830.75 km) |
| Darby to Petrich | 4,846.62 mi (7,799.88 km) |
| Darby to Pleven | 4,822.39 mi (7,760.88 km) |
| Darby to Plovdiv | 4,879.48 mi (7,852.76 km) |
| Darby to Pomorie | 4,978.00 mi (8,011.32 km) |
