| Ostrow Mazowiecka to Alfena | 1,623.30 mi (2,612.45 km) |
| Ostrow Mazowiecka to Alijo | 1,579.84 mi (2,542.51 km) |
| Ostrow Mazowiecka to Aljustrel | 1,764.77 mi (2,840.12 km) |
| Ostrow Mazowiecka to Almada | 1,766.09 mi (2,842.25 km) |
| Ostrow Mazowiecka to Almargem | 1,762.55 mi (2,836.55 km) |
| Ostrow Mazowiecka to Almeirim | 1,720.27 mi (2,768.50 km) |
| Ostrow Mazowiecka to Amadora | 1,766.49 mi (2,842.89 km) |
| Ostrow Mazowiecka to Amarante | 1,603.76 mi (2,581.00 km) |
| Ostrow Mazowiecka to Amares | 1,598.98 mi (2,573.31 km) |
| Ostrow Mazowiecka to Amora | 1,767.13 mi (2,843.91 km) |
| Ostrow Mazowiecka to Anadia | 1,655.79 mi (2,664.74 km) |
| Ostrow Mazowiecka to Angra do Heroismo | 2,503.74 mi (4,029.38 km) |
| Ostrow Mazowiecka to Ansiao | 1,679.53 mi (2,702.94 km) |
| Ostrow Mazowiecka to Anta | 1,637.53 mi (2,635.34 km) |
| Ostrow Mazowiecka to Arcos de Valdevez | 1,592.37 mi (2,562.68 km) |
