| Duncan to Miranda de Ebro | 4,879.76 mi (7,853.21 km) |
| Duncan to Mislata | 5,105.63 mi (8,216.72 km) |
| Duncan to Moana | 4,631.18 mi (7,453.16 km) |
| Duncan to Moguer | 4,882.84 mi (7,858.17 km) |
| Duncan to Molina de Segura | 5,120.74 mi (8,241.04 km) |
| Duncan to Molins de Rey | 5,142.44 mi (8,275.97 km) |
| Duncan to Mollerusa | 5,085.44 mi (8,184.23 km) |
| Duncan to Mollet | 5,146.40 mi (8,282.33 km) |
| Duncan to Moncada | 5,147.23 mi (8,283.67 km) |
| Duncan to Moncada | 5,103.97 mi (8,214.04 km) |
| Duncan to Monforte de Lemos | 4,680.09 mi (7,531.87 km) |
| Duncan to Monforte del Cid | 5,131.20 mi (8,257.87 km) |
| Duncan to Mongat | 5,151.95 mi (8,291.26 km) |
| Duncan to Monovar | 5,124.14 mi (8,246.50 km) |
| Duncan to Monserrat | 5,101.39 mi (8,209.90 km) |
