| Arad to Alenquer | 1,607.54 mi (2,587.09 km) |
| Arad to Alfena | 1,519.22 mi (2,444.94 km) |
| Arad to Alijo | 1,467.99 mi (2,362.50 km) |
| Arad to Aljustrel | 1,605.27 mi (2,583.43 km) |
| Arad to Almada | 1,626.29 mi (2,617.26 km) |
| Arad to Almargem | 1,626.19 mi (2,617.09 km) |
| Arad to Almeirim | 1,583.74 mi (2,548.79 km) |
| Arad to Amadora | 1,628.11 mi (2,620.18 km) |
| Arad to Amarante | 1,496.52 mi (2,408.41 km) |
| Arad to Amares | 1,499.97 mi (2,413.97 km) |
| Arad to Amora | 1,626.19 mi (2,617.11 km) |
| Arad to Anadia | 1,537.40 mi (2,474.21 km) |
| Arad to Angra do Heroismo | 2,489.04 mi (4,005.73 km) |
| Arad to Ansiao | 1,552.73 mi (2,498.88 km) |
| Arad to Anta | 1,530.29 mi (2,462.76 km) |
