| Idanha-a-Nova to Arcore | 925.30 mi (1,489.12 km) |
| Idanha-a-Nova to Ardea | 1,039.58 mi (1,673.04 km) |
| Idanha-a-Nova to Arenzano | 870.26 mi (1,400.54 km) |
| Idanha-a-Nova to Arese | 911.98 mi (1,467.69 km) |
| Idanha-a-Nova to Arezzo | 1,013.58 mi (1,631.20 km) |
| Idanha-a-Nova to Argelato | 1,000.79 mi (1,610.62 km) |
| Idanha-a-Nova to Argenta | 1,024.68 mi (1,649.07 km) |
| Idanha-a-Nova to Ariano Irpino | 1,172.06 mi (1,886.26 km) |
| Idanha-a-Nova to Ariccia | 1,045.61 mi (1,682.74 km) |
| Idanha-a-Nova to Arluno | 904.74 mi (1,456.04 km) |
| Idanha-a-Nova to Arona | 894.01 mi (1,438.76 km) |
| Idanha-a-Nova to Artena | 1,058.50 mi (1,703.50 km) |
| Idanha-a-Nova to Arzachena | 875.39 mi (1,408.81 km) |
| Idanha-a-Nova to Arzano | 1,130.25 mi (1,818.96 km) |
| Idanha-a-Nova to Arzignano | 1,015.84 mi (1,634.84 km) |
