| Idrija to Amorebieta | 844.86 mi (1,359.67 km) |
| Idrija to Amposta | 766.71 mi (1,233.90 km) |
| Idrija to Amurrio | 861.37 mi (1,386.24 km) |
| Idrija to Andoain | 810.78 mi (1,304.83 km) |
| Idrija to Andraitx | 736.05 mi (1,184.56 km) |
| Idrija to Andujar | 1,075.09 mi (1,730.19 km) |
| Idrija to Antequera | 1,140.28 mi (1,835.11 km) |
| Idrija to Antigua | 1,946.33 mi (3,132.32 km) |
| Idrija to Aranda de Duero | 929.32 mi (1,495.59 km) |
| Idrija to Aranjuez | 978.67 mi (1,575.02 km) |
| Idrija to Archena | 954.02 mi (1,535.34 km) |
| Idrija to Arcos de la Frontera | 1,205.47 mi (1,940.02 km) |
| Idrija to Arenys de Mar | 647.94 mi (1,042.76 km) |
| Idrija to Arenys de Munt | 647.25 mi (1,041.65 km) |
| Idrija to Argentona | 655.38 mi (1,054.73 km) |
