| Grinon to Mombris | 927.76 mi (1,493.08 km) |
| Grinon to Monchengladbach | 904.75 mi (1,456.06 km) |
| Grinon to Monschau | 865.01 mi (1,392.09 km) |
| Grinon to Montabaur | 903.52 mi (1,454.07 km) |
| Grinon to Moosburg | 962.94 mi (1,549.70 km) |
| Grinon to Morbach | 850.73 mi (1,369.11 km) |
| Grinon to Morfelden-Walldorf | 905.65 mi (1,457.50 km) |
| Grinon to Morlenbach | 891.89 mi (1,435.36 km) |
| Grinon to Morsbach | 922.23 mi (1,484.19 km) |
| Grinon to Mosbach | 894.63 mi (1,439.77 km) |
| Grinon to Mosigkau | 1,108.56 mi (1,784.06 km) |
| Grinon to Mossingen | 850.82 mi (1,369.27 km) |
| Grinon to Much | 915.78 mi (1,473.80 km) |
| Grinon to Mucheln | 1,070.67 mi (1,723.08 km) |
| Grinon to Muhlacker | 866.20 mi (1,394.01 km) |
