| Idar-Oberstein to Marsciano | 526.77 mi (847.76 km) |
| Idar-Oberstein to Martano | 846.97 mi (1,363.07 km) |
| Idar-Oberstein to Martellago | 365.47 mi (588.16 km) |
| Idar-Oberstein to Martina Franca | 789.50 mi (1,270.58 km) |
| Idar-Oberstein to Martinengo | 308.04 mi (495.74 km) |
| Idar-Oberstein to Martinsicuro | 566.91 mi (912.35 km) |
| Idar-Oberstein to Mascali | 914.24 mi (1,471.33 km) |
| Idar-Oberstein to Mascalucia | 922.81 mi (1,485.12 km) |
| Idar-Oberstein to Masera di Padova | 370.46 mi (596.20 km) |
| Idar-Oberstein to Maserada sul Piave | 358.98 mi (577.73 km) |
| Idar-Oberstein to Massa | 414.24 mi (666.65 km) |
| Idar-Oberstein to Massa Lombarda | 420.59 mi (676.88 km) |
| Idar-Oberstein to Massafra | 789.79 mi (1,271.05 km) |
| Idar-Oberstein to Massalubrense | 715.06 mi (1,150.78 km) |
| Idar-Oberstein to Massarosa | 428.27 mi (689.23 km) |
