| Groningen to Masquefa | 838.84 mi (1,349.98 km) |
| Groningen to Matadepera | 829.59 mi (1,335.09 km) |
| Groningen to Mazarron | 1,143.16 mi (1,839.74 km) |
| Groningen to Meco | 989.69 mi (1,592.75 km) |
| Groningen to Medina del Campo | 981.15 mi (1,579.00 km) |
| Groningen to Medina Sidonia | 1,304.62 mi (2,099.59 km) |
| Groningen to Mejorada del Campo | 1,000.88 mi (1,610.75 km) |
| Groningen to Meliana | 1,000.52 mi (1,610.18 km) |
| Groningen to Mengibar | 1,164.10 mi (1,873.44 km) |
| Groningen to Merida | 1,162.65 mi (1,871.10 km) |
| Groningen to Miajadas | 1,140.72 mi (1,835.81 km) |
| Groningen to Mieres | 890.10 mi (1,432.47 km) |
| Groningen to Miguelturra | 1,103.36 mi (1,775.68 km) |
| Groningen to Mijas | 1,268.71 mi (2,041.78 km) |
| Groningen to Miranda de Ebro | 848.62 mi (1,365.72 km) |
