| Idanha-a-Nova to Alenquer | 112.38 mi (180.86 km) |
| Idanha-a-Nova to Alfena | 113.72 mi (183.01 km) |
| Idanha-a-Nova to Alijo | 94.78 mi (152.53 km) |
| Idanha-a-Nova to Aljustrel | 147.01 mi (236.59 km) |
| Idanha-a-Nova to Almada | 133.75 mi (215.26 km) |
| Idanha-a-Nova to Almargem | 131.54 mi (211.69 km) |
| Idanha-a-Nova to Almeirim | 88.78 mi (142.88 km) |
| Idanha-a-Nova to Amadora | 134.58 mi (216.58 km) |
| Idanha-a-Nova to Amarante | 103.01 mi (165.79 km) |
| Idanha-a-Nova to Amares | 130.80 mi (210.51 km) |
| Idanha-a-Nova to Amora | 134.60 mi (216.62 km) |
| Idanha-a-Nova to Anadia | 72.71 mi (117.02 km) |
| Idanha-a-Nova to Angra do Heroismo | 1,069.89 mi (1,721.83 km) |
| Idanha-a-Nova to Ansiao | 63.59 mi (102.34 km) |
| Idanha-a-Nova to Anta | 105.02 mi (169.02 km) |
