| Mercer Island to Miranda de Ebro | 5,186.86 mi (8,347.44 km) |
| Mercer Island to Mislata | 5,442.95 mi (8,759.59 km) |
| Mercer Island to Moana | 5,021.93 mi (8,082.01 km) |
| Mercer Island to Moguer | 5,353.48 mi (8,615.60 km) |
| Mercer Island to Molina de Segura | 5,497.26 mi (8,846.99 km) |
| Mercer Island to Molins de Rey | 5,407.35 mi (8,702.29 km) |
| Mercer Island to Mollerusa | 5,361.77 mi (8,628.94 km) |
| Mercer Island to Mollet | 5,406.17 mi (8,700.40 km) |
| Mercer Island to Moncada | 5,408.28 mi (8,703.79 km) |
| Mercer Island to Moncada | 5,439.62 mi (8,754.22 km) |
| Mercer Island to Monforte de Lemos | 5,050.18 mi (8,127.48 km) |
| Mercer Island to Monforte del Cid | 5,494.48 mi (8,842.51 km) |
| Mercer Island to Mongat | 5,412.10 mi (8,709.93 km) |
| Mercer Island to Monovar | 5,487.83 mi (8,831.81 km) |
| Mercer Island to Monserrat | 5,443.68 mi (8,760.76 km) |
