| Idanha-a-Nova to Arcos de Valdevez | 147.05 mi (236.66 km) |
| Idanha-a-Nova to Arcozelo | 107.94 mi (173.71 km) |
| Idanha-a-Nova to Arganil | 48.13 mi (77.46 km) |
| Idanha-a-Nova to Arouca | 88.14 mi (141.85 km) |
| Idanha-a-Nova to Arruda dos Vinhos | 117.16 mi (188.55 km) |
| Idanha-a-Nova to Aveiro | 89.60 mi (144.20 km) |
| Idanha-a-Nova to Aver-o-Mar | 130.52 mi (210.06 km) |
| Idanha-a-Nova to Aves | 119.17 mi (191.78 km) |
| Idanha-a-Nova to Azambuja | 105.04 mi (169.05 km) |
| Idanha-a-Nova to Baiao | 96.04 mi (154.56 km) |
| Idanha-a-Nova to Barcelos | 132.17 mi (212.70 km) |
| Idanha-a-Nova to Barreiro | 130.65 mi (210.26 km) |
| Idanha-a-Nova to Batalha | 85.20 mi (137.12 km) |
| Idanha-a-Nova to Beja | 134.73 mi (216.83 km) |
| Idanha-a-Nova to Belas | 134.45 mi (216.38 km) |
