| Preston to Miranda de Ebro | 765.33 mi (1,231.68 km) |
| Preston to Mislata | 992.73 mi (1,597.64 km) |
| Preston to Moana | 840.00 mi (1,351.85 km) |
| Preston to Moguer | 1,155.95 mi (1,860.33 km) |
| Preston to Molina de Segura | 1,087.34 mi (1,749.91 km) |
| Preston to Molins de Rey | 880.31 mi (1,416.72 km) |
| Preston to Mollerusa | 854.15 mi (1,374.62 km) |
| Preston to Mollet | 874.40 mi (1,407.20 km) |
| Preston to Moncada | 877.41 mi (1,412.06 km) |
| Preston to Moncada | 987.97 mi (1,589.99 km) |
| Preston to Monforte de Lemos | 807.44 mi (1,299.46 km) |
| Preston to Monforte del Cid | 1,066.72 mi (1,716.71 km) |
| Preston to Mongat | 879.85 mi (1,415.98 km) |
| Preston to Monovar | 1,062.31 mi (1,709.62 km) |
| Preston to Monserrat | 999.90 mi (1,609.19 km) |
