| Merzig to Montilla | 992.61 mi (1,597.46 km) |
| Merzig to Montmelo | 584.81 mi (941.15 km) |
| Merzig to Montornes del Valles | 585.18 mi (941.76 km) |
| Merzig to Montoro | 959.91 mi (1,544.83 km) |
| Merzig to Monzon | 605.82 mi (974.98 km) |
| Merzig to Mora | 845.12 mi (1,360.09 km) |
| Merzig to Moralzarzal | 795.00 mi (1,279.43 km) |
| Merzig to Moron de la Frontera | 1,043.11 mi (1,678.73 km) |
| Merzig to Mostoles | 810.88 mi (1,304.98 km) |
| Merzig to Motril | 1,013.47 mi (1,631.02 km) |
| Merzig to Muchamiel | 838.71 mi (1,349.77 km) |
| Merzig to Mula | 884.81 mi (1,423.96 km) |
| Merzig to Munguia | 616.13 mi (991.57 km) |
| Merzig to Murcia | 880.38 mi (1,416.83 km) |
| Merzig to Muro del Alcoy | 815.17 mi (1,311.89 km) |
