| Mission to Masanasa | 5,482.90 mi (8,823.87 km) |
| Mission to Masquefa | 5,524.75 mi (8,891.23 km) |
| Mission to Matadepera | 5,531.47 mi (8,902.03 km) |
| Mission to Mazarron | 5,491.33 mi (8,837.43 km) |
| Mission to Meco | 5,309.09 mi (8,544.15 km) |
| Mission to Medina del Campo | 5,212.56 mi (8,388.80 km) |
| Mission to Medina Sidonia | 5,291.03 mi (8,515.09 km) |
| Mission to Mejorada del Campo | 5,310.52 mi (8,546.45 km) |
| Mission to Meliana | 5,481.78 mi (8,822.08 km) |
| Mission to Mengibar | 5,356.67 mi (8,620.73 km) |
| Mission to Merida | 5,205.78 mi (8,377.89 km) |
| Mission to Miajadas | 5,212.54 mi (8,388.77 km) |
| Mission to Mieres | 5,121.72 mi (8,242.61 km) |
| Mission to Miguelturra | 5,322.16 mi (8,565.19 km) |
| Mission to Mijas | 5,352.92 mi (8,614.69 km) |
