| Unterwellenborn to Masquefa | 781.58 mi (1,257.83 km) |
| Unterwellenborn to Matadepera | 769.89 mi (1,239.01 km) |
| Unterwellenborn to Mazarron | 1,098.65 mi (1,768.11 km) |
| Unterwellenborn to Meco | 995.03 mi (1,601.35 km) |
| Unterwellenborn to Medina del Campo | 1,013.45 mi (1,630.99 km) |
| Unterwellenborn to Medina Sidonia | 1,303.71 mi (2,098.13 km) |
| Unterwellenborn to Mejorada del Campo | 1,005.34 mi (1,617.94 km) |
| Unterwellenborn to Meliana | 957.88 mi (1,541.55 km) |
| Unterwellenborn to Mengibar | 1,151.80 mi (1,853.64 km) |
| Unterwellenborn to Merida | 1,185.93 mi (1,908.58 km) |
| Unterwellenborn to Miajadas | 1,163.51 mi (1,872.49 km) |
| Unterwellenborn to Mieres | 956.38 mi (1,539.15 km) |
| Unterwellenborn to Miguelturra | 1,101.02 mi (1,771.91 km) |
| Unterwellenborn to Mijas | 1,255.27 mi (2,020.16 km) |
| Unterwellenborn to Miranda de Ebro | 873.83 mi (1,406.29 km) |
