| Southport to Montana | 1,381.33 mi (2,223.03 km) |
| Southport to Nova Zagora | 1,530.12 mi (2,462.49 km) |
| Southport to Novi Iskar | 1,413.55 mi (2,274.89 km) |
| Southport to Novi Pazar | 1,539.10 mi (2,476.94 km) |
| Southport to Omurtag | 1,519.02 mi (2,444.63 km) |
| Southport to Panagyurishte | 1,459.06 mi (2,348.13 km) |
| Southport to Parvomay | 1,516.97 mi (2,441.32 km) |
| Southport to Pavlikeni | 1,469.95 mi (2,365.65 km) |
| Southport to Pazardzhik | 1,478.53 mi (2,379.47 km) |
| Southport to Pernik | 1,410.65 mi (2,270.22 km) |
| Southport to Peshtera | 1,484.96 mi (2,389.81 km) |
| Southport to Petrich | 1,473.81 mi (2,371.88 km) |
| Southport to Pleven | 1,435.42 mi (2,310.08 km) |
| Southport to Plovdiv | 1,496.77 mi (2,408.82 km) |
| Southport to Pomorie | 1,589.35 mi (2,557.81 km) |
