| Porto to Montana | 1,625.15 mi (2,615.42 km) |
| Porto to Nova Zagora | 1,773.23 mi (2,853.74 km) |
| Porto to Novi Iskar | 1,636.18 mi (2,633.17 km) |
| Porto to Novi Pazar | 1,824.04 mi (2,935.51 km) |
| Porto to Omurtag | 1,787.31 mi (2,876.40 km) |
| Porto to Panagyurishte | 1,680.88 mi (2,705.11 km) |
| Porto to Parvomay | 1,737.27 mi (2,795.86 km) |
| Porto to Pavlikeni | 1,731.31 mi (2,786.27 km) |
| Porto to Pazardzhik | 1,691.49 mi (2,722.19 km) |
| Porto to Pernik | 1,621.95 mi (2,610.27 km) |
| Porto to Peshtera | 1,691.60 mi (2,722.36 km) |
| Porto to Petrich | 1,643.37 mi (2,644.75 km) |
| Porto to Pleven | 1,694.97 mi (2,727.80 km) |
| Porto to Plovdiv | 1,713.11 mi (2,756.98 km) |
| Porto to Pomorie | 1,852.93 mi (2,982.00 km) |
