| Idar-Oberstein to Mislata | 802.01 mi (1,290.70 km) |
| Idar-Oberstein to Moana | 923.21 mi (1,485.77 km) |
| Idar-Oberstein to Moguer | 1,110.41 mi (1,787.03 km) |
| Idar-Oberstein to Molina de Segura | 909.08 mi (1,463.03 km) |
| Idar-Oberstein to Molins de Rey | 627.57 mi (1,009.97 km) |
| Idar-Oberstein to Mollerusa | 637.90 mi (1,026.61 km) |
| Idar-Oberstein to Mollet | 615.99 mi (991.34 km) |
| Idar-Oberstein to Moncada | 619.57 mi (997.10 km) |
| Idar-Oberstein to Moncada | 797.15 mi (1,282.88 km) |
| Idar-Oberstein to Monforte de Lemos | 864.50 mi (1,391.27 km) |
| Idar-Oberstein to Monforte del Cid | 877.79 mi (1,412.67 km) |
| Idar-Oberstein to Mongat | 619.12 mi (996.38 km) |
| Idar-Oberstein to Monovar | 876.58 mi (1,410.72 km) |
| Idar-Oberstein to Monserrat | 813.66 mi (1,309.47 km) |
| Idar-Oberstein to Montijo | 1,012.30 mi (1,629.14 km) |
