| Idar-Oberstein to Acri | 833.42 mi (1,341.26 km) |
| Idar-Oberstein to Adelfia | 758.61 mi (1,220.87 km) |
| Idar-Oberstein to Adrano | 911.97 mi (1,467.67 km) |
| Idar-Oberstein to Adria | 390.77 mi (628.89 km) |
| Idar-Oberstein to Afragola | 695.73 mi (1,119.67 km) |
| Idar-Oberstein to Agliana | 437.62 mi (704.27 km) |
| Idar-Oberstein to Agrate Brianza | 300.54 mi (483.67 km) |
| Idar-Oberstein to Agrigento | 911.39 mi (1,466.75 km) |
| Idar-Oberstein to Agropoli | 746.51 mi (1,201.40 km) |
| Idar-Oberstein to Ala | 322.82 mi (519.53 km) |
| Idar-Oberstein to Alassio | 396.67 mi (638.37 km) |
| Idar-Oberstein to Alatri | 623.26 mi (1,003.05 km) |
| Idar-Oberstein to Alba | 347.90 mi (559.88 km) |
| Idar-Oberstein to Albano Laziale | 608.34 mi (979.02 km) |
| Idar-Oberstein to Albenga | 393.48 mi (633.24 km) |
