| Porvoo to Alfena | 1,955.76 mi (3,147.49 km) |
| Porvoo to Alijo | 1,921.87 mi (3,092.94 km) |
| Porvoo to Aljustrel | 2,135.17 mi (3,436.23 km) |
| Porvoo to Almada | 2,120.17 mi (3,412.08 km) |
| Porvoo to Almargem | 2,113.93 mi (3,402.04 km) |
| Porvoo to Almeirim | 2,074.15 mi (3,338.02 km) |
| Porvoo to Amadora | 2,119.36 mi (3,410.77 km) |
| Porvoo to Amarante | 1,940.24 mi (3,122.51 km) |
| Porvoo to Amares | 1,928.75 mi (3,104.02 km) |
| Porvoo to Amora | 2,122.09 mi (3,415.18 km) |
| Porvoo to Anadia | 1,998.31 mi (3,215.97 km) |
| Porvoo to Angra do Heroismo | 2,702.37 mi (4,349.04 km) |
| Porvoo to Ansiao | 2,027.67 mi (3,263.21 km) |
| Porvoo to Anta | 1,971.73 mi (3,173.20 km) |
| Porvoo to Arcos de Valdevez | 1,918.52 mi (3,087.56 km) |
