| Castalla to Mombris | 927.96 mi (1,493.40 km) |
| Castalla to Monchengladbach | 936.57 mi (1,507.27 km) |
| Castalla to Monschau | 893.16 mi (1,437.41 km) |
| Castalla to Montabaur | 917.58 mi (1,476.70 km) |
| Castalla to Moosburg | 926.96 mi (1,491.80 km) |
| Castalla to Morbach | 864.75 mi (1,391.69 km) |
| Castalla to Morfelden-Walldorf | 909.56 mi (1,463.79 km) |
| Castalla to Morlenbach | 890.50 mi (1,433.12 km) |
| Castalla to Morsbach | 941.01 mi (1,514.41 km) |
| Castalla to Mosbach | 887.47 mi (1,428.24 km) |
| Castalla to Mosigkau | 1,105.87 mi (1,779.72 km) |
| Castalla to Mossingen | 833.47 mi (1,341.35 km) |
| Castalla to Much | 937.48 mi (1,508.73 km) |
| Castalla to Mucheln | 1,065.57 mi (1,714.87 km) |
| Castalla to Muhlacker | 856.91 mi (1,379.06 km) |
