| Longford to Montana | 1,570.35 mi (2,527.23 km) |
| Longford to Nova Zagora | 1,720.48 mi (2,768.84 km) |
| Longford to Novi Iskar | 1,601.51 mi (2,577.38 km) |
| Longford to Novi Pazar | 1,731.71 mi (2,786.91 km) |
| Longford to Omurtag | 1,710.67 mi (2,753.06 km) |
| Longford to Panagyurishte | 1,647.45 mi (2,651.31 km) |
| Longford to Parvomay | 1,705.81 mi (2,745.24 km) |
| Longford to Pavlikeni | 1,660.85 mi (2,672.88 km) |
| Longford to Pazardzhik | 1,666.53 mi (2,682.02 km) |
| Longford to Pernik | 1,597.78 mi (2,571.39 km) |
| Longford to Peshtera | 1,672.59 mi (2,691.77 km) |
| Longford to Petrich | 1,658.60 mi (2,669.26 km) |
| Longford to Pleven | 1,625.93 mi (2,616.68 km) |
| Longford to Plovdiv | 1,685.17 mi (2,712.02 km) |
| Longford to Pomorie | 1,781.24 mi (2,866.62 km) |
