| Grays to Alenquer | 969.58 mi (1,560.39 km) |
| Grays to Alfena | 822.41 mi (1,323.54 km) |
| Grays to Alijo | 795.81 mi (1,280.73 km) |
| Grays to Aljustrel | 1,023.89 mi (1,647.79 km) |
| Grays to Almada | 995.98 mi (1,602.88 km) |
| Grays to Almargem | 988.02 mi (1,590.06 km) |
| Grays to Almeirim | 951.30 mi (1,530.97 km) |
| Grays to Amadora | 994.33 mi (1,600.21 km) |
| Grays to Amarante | 809.78 mi (1,303.22 km) |
| Grays to Amares | 794.64 mi (1,278.85 km) |
| Grays to Amora | 998.50 mi (1,606.93 km) |
| Grays to Anadia | 869.91 mi (1,399.98 km) |
| Grays to Angra do Heroismo | 1,594.86 mi (2,566.68 km) |
| Grays to Ansiao | 902.17 mi (1,451.91 km) |
| Grays to Anta | 838.95 mi (1,350.16 km) |
