| Idanha-a-Nova to Arico el Nuevo | 967.04 mi (1,556.31 km) |
| Idanha-a-Nova to Armilla | 273.36 mi (439.93 km) |
| Idanha-a-Nova to Arnedo | 310.98 mi (500.47 km) |
| Idanha-a-Nova to Arona | 978.15 mi (1,574.18 km) |
| Idanha-a-Nova to Arrecife | 837.51 mi (1,347.85 km) |
| Idanha-a-Nova to Arrigorriaga | 319.62 mi (514.38 km) |
| Idanha-a-Nova to Arroyomolinos | 177.83 mi (286.19 km) |
| Idanha-a-Nova to Arteijo | 243.19 mi (391.38 km) |
| Idanha-a-Nova to Arucas | 942.29 mi (1,516.46 km) |
| Idanha-a-Nova to Aspe | 362.97 mi (584.15 km) |
| Idanha-a-Nova to Astorga | 185.88 mi (299.15 km) |
| Idanha-a-Nova to Atarfe | 266.94 mi (429.60 km) |
| Idanha-a-Nova to Avila | 143.63 mi (231.15 km) |
| Idanha-a-Nova to Aviles | 260.56 mi (419.33 km) |
| Idanha-a-Nova to Ayamonte | 187.92 mi (302.43 km) |
