| Idar-Oberstein to Marghita | 705.04 mi (1,134.66 km) |
| Idar-Oberstein to Marginea | 851.33 mi (1,370.08 km) |
| Idar-Oberstein to Matca | 972.59 mi (1,565.24 km) |
| Idar-Oberstein to Medgidia | 1,052.79 mi (1,694.30 km) |
| Idar-Oberstein to Media | 824.11 mi (1,326.27 km) |
| Idar-Oberstein to Miercurea-Ciuc | 882.49 mi (1,420.23 km) |
| Idar-Oberstein to Mioveni | 885.75 mi (1,425.48 km) |
| Idar-Oberstein to Mizil | 949.44 mi (1,527.98 km) |
| Idar-Oberstein to Moinesti | 910.79 mi (1,465.77 km) |
| Idar-Oberstein to Moisei | 796.62 mi (1,282.04 km) |
| Idar-Oberstein to Moldova Noua | 755.04 mi (1,215.12 km) |
| Idar-Oberstein to Moreni | 915.45 mi (1,473.27 km) |
| Idar-Oberstein to Motru | 806.73 mi (1,298.30 km) |
| Idar-Oberstein to Murfatlar | 1,061.71 mi (1,708.66 km) |
| Idar-Oberstein to Nasaud | 798.54 mi (1,285.12 km) |
