| Altena to Masquefa | 731.48 mi (1,177.21 km) |
| Altena to Matadepera | 721.25 mi (1,160.74 km) |
| Altena to Mazarron | 1,043.36 mi (1,679.12 km) |
| Altena to Meco | 909.12 mi (1,463.09 km) |
| Altena to Medina del Campo | 912.97 mi (1,469.28 km) |
| Altena to Medina Sidonia | 1,223.62 mi (1,969.22 km) |
| Altena to Mejorada del Campo | 920.03 mi (1,480.64 km) |
| Altena to Meliana | 900.28 mi (1,448.86 km) |
| Altena to Mengibar | 1,077.33 mi (1,733.80 km) |
| Altena to Merida | 1,091.67 mi (1,756.87 km) |
| Altena to Miajadas | 1,069.35 mi (1,720.96 km) |
| Altena to Mieres | 838.16 mi (1,348.89 km) |
| Altena to Miguelturra | 1,020.40 mi (1,642.18 km) |
| Altena to Mijas | 1,182.13 mi (1,902.46 km) |
| Altena to Miranda de Ebro | 775.59 mi (1,248.19 km) |
