| Duncan to Mancha Real | 5,018.44 mi (8,076.39 km) |
| Duncan to Manilva | 4,989.67 mi (8,030.10 km) |
| Duncan to Manises | 5,103.77 mi (8,213.72 km) |
| Duncan to Manlleu | 5,132.25 mi (8,259.55 km) |
| Duncan to Manresa | 5,122.70 mi (8,244.19 km) |
| Duncan to Manzanares | 4,987.17 mi (8,026.07 km) |
| Duncan to Manzanares el Real | 4,904.91 mi (7,893.69 km) |
| Duncan to Maracena | 5,038.13 mi (8,108.09 km) |
| Duncan to Marbella | 5,002.62 mi (8,050.94 km) |
| Duncan to Marchena | 4,948.83 mi (7,964.37 km) |
| Duncan to Marin | 4,630.07 mi (7,451.37 km) |
| Duncan to Marratxi | 5,241.60 mi (8,435.54 km) |
| Duncan to Martorell | 5,136.47 mi (8,266.35 km) |
| Duncan to Martos | 5,004.22 mi (8,053.51 km) |
| Duncan to Masamagrell | 5,106.04 mi (8,217.38 km) |
