| Ostrov to Arcozelo | 1,215.40 mi (1,955.99 km) |
| Ostrov to Arganil | 1,229.36 mi (1,978.47 km) |
| Ostrov to Arouca | 1,204.80 mi (1,938.94 km) |
| Ostrov to Arruda dos Vinhos | 1,326.71 mi (2,135.13 km) |
| Ostrov to Aveiro | 1,234.37 mi (1,986.53 km) |
| Ostrov to Aver-o-Mar | 1,205.67 mi (1,940.35 km) |
| Ostrov to Aves | 1,185.03 mi (1,907.12 km) |
| Ostrov to Azambuja | 1,314.94 mi (2,116.20 km) |
| Ostrov to Baiao | 1,186.06 mi (1,908.79 km) |
| Ostrov to Barcelos | 1,194.66 mi (1,922.63 km) |
| Ostrov to Barreiro | 1,341.80 mi (2,159.42 km) |
| Ostrov to Batalha | 1,284.98 mi (2,067.98 km) |
| Ostrov to Beja | 1,327.63 mi (2,136.62 km) |
| Ostrov to Belas | 1,344.59 mi (2,163.90 km) |
| Ostrov to Benavente | 1,317.10 mi (2,119.66 km) |
