| Crystal to Mombris | 4,396.34 mi (7,075.23 km) |
| Crystal to Monchengladbach | 4,253.90 mi (6,845.99 km) |
| Crystal to Monschau | 4,274.86 mi (6,879.72 km) |
| Crystal to Montabaur | 4,334.25 mi (6,975.30 km) |
| Crystal to Moosburg | 4,562.98 mi (7,343.41 km) |
| Crystal to Morbach | 4,336.53 mi (6,978.97 km) |
| Crystal to Morfelden-Walldorf | 4,379.30 mi (7,047.80 km) |
| Crystal to Morlenbach | 4,402.20 mi (7,084.65 km) |
| Crystal to Morsbach | 4,312.00 mi (6,939.49 km) |
| Crystal to Mosbach | 4,427.25 mi (7,124.96 km) |
| Crystal to Mosigkau | 4,419.53 mi (7,112.55 km) |
| Crystal to Mossingen | 4,466.20 mi (7,187.66 km) |
| Crystal to Much | 4,299.04 mi (6,918.63 km) |
| Crystal to Mucheln | 4,429.47 mi (7,128.54 km) |
| Crystal to Muhlacker | 4,434.42 mi (7,136.50 km) |
