| Idar-Oberstein to Alfena | 961.92 mi (1,548.06 km) |
| Idar-Oberstein to Alijo | 920.56 mi (1,481.49 km) |
| Idar-Oberstein to Aljustrel | 1,118.07 mi (1,799.36 km) |
| Idar-Oberstein to Almada | 1,112.00 mi (1,789.59 km) |
| Idar-Oberstein to Almargem | 1,107.42 mi (1,782.22 km) |
| Idar-Oberstein to Almeirim | 1,065.82 mi (1,715.28 km) |
| Idar-Oberstein to Amadora | 1,111.94 mi (1,789.49 km) |
| Idar-Oberstein to Amarante | 943.18 mi (1,517.89 km) |
| Idar-Oberstein to Amares | 936.94 mi (1,507.86 km) |
| Idar-Oberstein to Amora | 1,113.39 mi (1,791.82 km) |
| Idar-Oberstein to Anadia | 997.12 mi (1,604.71 km) |
| Idar-Oberstein to Angra do Heroismo | 1,852.55 mi (2,981.39 km) |
| Idar-Oberstein to Ansiao | 1,022.77 mi (1,645.98 km) |
| Idar-Oberstein to Anta | 976.60 mi (1,571.69 km) |
| Idar-Oberstein to Arcos de Valdevez | 929.67 mi (1,496.16 km) |
