| Duncan to Masanasa | 5,108.82 mi (8,221.85 km) |
| Duncan to Masquefa | 5,130.28 mi (8,256.40 km) |
| Duncan to Matadepera | 5,135.76 mi (8,265.20 km) |
| Duncan to Mazarron | 5,132.66 mi (8,260.22 km) |
| Duncan to Meco | 4,935.20 mi (7,942.44 km) |
| Duncan to Medina del Campo | 4,837.55 mi (7,785.29 km) |
| Duncan to Medina Sidonia | 4,954.70 mi (7,973.83 km) |
| Duncan to Mejorada del Campo | 4,937.91 mi (7,946.80 km) |
| Duncan to Meliana | 5,106.74 mi (8,218.50 km) |
| Duncan to Mengibar | 5,002.82 mi (8,051.27 km) |
| Duncan to Merida | 4,852.26 mi (7,808.96 km) |
| Duncan to Miajadas | 4,856.41 mi (7,815.64 km) |
| Duncan to Mieres | 4,734.83 mi (7,619.97 km) |
| Duncan to Miguelturra | 4,961.44 mi (7,984.66 km) |
| Duncan to Mijas | 5,011.68 mi (8,065.52 km) |
