| Idanha-a-Nova to Amorebieta | 325.72 mi (524.20 km) |
| Idanha-a-Nova to Amposta | 415.18 mi (668.17 km) |
| Idanha-a-Nova to Amurrio | 308.03 mi (495.73 km) |
| Idanha-a-Nova to Andoain | 353.01 mi (568.12 km) |
| Idanha-a-Nova to Andraitx | 513.16 mi (825.85 km) |
| Idanha-a-Nova to Andujar | 214.57 mi (345.32 km) |
| Idanha-a-Nova to Antequera | 247.00 mi (397.51 km) |
| Idanha-a-Nova to Antigua | 883.36 mi (1,421.64 km) |
| Idanha-a-Nova to Aranda de Duero | 222.17 mi (357.55 km) |
| Idanha-a-Nova to Aranjuez | 192.38 mi (309.61 km) |
| Idanha-a-Nova to Archena | 341.93 mi (550.29 km) |
| Idanha-a-Nova to Arcos de la Frontera | 232.17 mi (373.64 km) |
| Idanha-a-Nova to Arenys de Mar | 524.55 mi (844.19 km) |
| Idanha-a-Nova to Arenys de Munt | 524.40 mi (843.94 km) |
| Idanha-a-Nova to Argentona | 516.72 mi (831.58 km) |
