| Rietberg to Masquefa | 776.83 mi (1,250.18 km) |
| Rietberg to Matadepera | 766.44 mi (1,233.46 km) |
| Rietberg to Mazarron | 1,089.53 mi (1,753.44 km) |
| Rietberg to Meco | 956.75 mi (1,539.75 km) |
| Rietberg to Medina del Campo | 960.66 mi (1,546.03 km) |
| Rietberg to Medina Sidonia | 1,271.18 mi (2,045.76 km) |
| Rietberg to Mejorada del Campo | 967.65 mi (1,557.28 km) |
| Rietberg to Meliana | 946.50 mi (1,523.24 km) |
| Rietberg to Mengibar | 1,124.66 mi (1,809.97 km) |
| Rietberg to Merida | 1,139.40 mi (1,833.68 km) |
| Rietberg to Miajadas | 1,117.08 mi (1,797.77 km) |
| Rietberg to Mieres | 885.16 mi (1,424.52 km) |
| Rietberg to Miguelturra | 1,067.93 mi (1,718.66 km) |
| Rietberg to Mijas | 1,229.44 mi (1,978.59 km) |
| Rietberg to Miranda de Ebro | 823.32 mi (1,325.00 km) |
