| Duncan to Montijo | 4,838.55 mi (7,786.89 km) |
| Duncan to Montilla | 4,977.39 mi (8,010.33 km) |
| Duncan to Montmelo | 5,147.40 mi (8,283.94 km) |
| Duncan to Montornes del Valles | 5,148.52 mi (8,285.75 km) |
| Duncan to Montoro | 4,974.14 mi (8,005.10 km) |
| Duncan to Monzon | 5,044.38 mi (8,118.15 km) |
| Duncan to Mora | 4,944.61 mi (7,957.59 km) |
| Duncan to Moralzarzal | 4,901.76 mi (7,888.63 km) |
| Duncan to Moron de la Frontera | 4,954.43 mi (7,973.39 km) |
| Duncan to Mostoles | 4,918.14 mi (7,914.99 km) |
| Duncan to Motril | 5,059.60 mi (8,142.64 km) |
| Duncan to Muchamiel | 5,143.02 mi (8,276.89 km) |
| Duncan to Mula | 5,108.36 mi (8,221.11 km) |
| Duncan to Munguia | 4,860.72 mi (7,822.57 km) |
| Duncan to Murcia | 5,127.07 mi (8,251.22 km) |
