| Groningen to Montilla | 1,205.82 mi (1,940.58 km) |
| Groningen to Montmelo | 830.29 mi (1,336.23 km) |
| Groningen to Montornes del Valles | 830.80 mi (1,337.04 km) |
| Groningen to Montoro | 1,172.92 mi (1,887.64 km) |
| Groningen to Monzon | 835.05 mi (1,343.89 km) |
| Groningen to Mora | 1,054.27 mi (1,696.69 km) |
| Groningen to Moralzarzal | 996.56 mi (1,603.81 km) |
| Groningen to Moron de la Frontera | 1,252.82 mi (2,016.22 km) |
| Groningen to Mostoles | 1,015.50 mi (1,634.29 km) |
| Groningen to Motril | 1,237.03 mi (1,990.81 km) |
| Groningen to Muchamiel | 1,075.83 mi (1,731.38 km) |
| Groningen to Mula | 1,116.72 mi (1,797.18 km) |
| Groningen to Munguia | 805.72 mi (1,296.68 km) |
| Groningen to Murcia | 1,114.61 mi (1,793.79 km) |
| Groningen to Muro del Alcoy | 1,051.37 mi (1,692.02 km) |
