| Barrow in Furness to Miranda de Ebro | 789.68 mi (1,270.86 km) |
| Barrow in Furness to Mislata | 1,019.73 mi (1,641.09 km) |
| Barrow in Furness to Moana | 855.23 mi (1,376.36 km) |
| Barrow in Furness to Moguer | 1,175.86 mi (1,892.37 km) |
| Barrow in Furness to Molina de Segura | 1,113.43 mi (1,791.90 km) |
| Barrow in Furness to Molins de Rey | 909.79 mi (1,464.17 km) |
| Barrow in Furness to Mollerusa | 882.75 mi (1,420.65 km) |
| Barrow in Furness to Mollet | 904.06 mi (1,454.94 km) |
| Barrow in Furness to Moncada | 907.04 mi (1,459.74 km) |
| Barrow in Furness to Moncada | 1,015.00 mi (1,633.49 km) |
| Barrow in Furness to Monforte de Lemos | 824.60 mi (1,327.07 km) |
| Barrow in Furness to Monforte del Cid | 1,093.29 mi (1,759.49 km) |
| Barrow in Furness to Mongat | 909.54 mi (1,463.76 km) |
| Barrow in Furness to Monovar | 1,088.79 mi (1,752.24 km) |
| Barrow in Furness to Monserrat | 1,026.71 mi (1,652.33 km) |
