| Portage to Miranda de Ebro | 4,030.39 mi (6,486.28 km) |
| Portage to Mislata | 4,258.33 mi (6,853.12 km) |
| Portage to Moana | 3,784.99 mi (6,091.36 km) |
| Portage to Moguer | 4,045.19 mi (6,510.10 km) |
| Portage to Molina de Segura | 4,275.99 mi (6,881.54 km) |
| Portage to Molins de Rey | 4,292.43 mi (6,908.00 km) |
| Portage to Mollerusa | 4,235.61 mi (6,816.55 km) |
| Portage to Mollet | 4,296.28 mi (6,914.19 km) |
| Portage to Moncada | 4,297.14 mi (6,915.58 km) |
| Portage to Moncada | 4,256.57 mi (6,850.29 km) |
| Portage to Monforte de Lemos | 3,832.87 mi (6,168.41 km) |
| Portage to Monforte del Cid | 4,285.58 mi (6,896.98 km) |
| Portage to Mongat | 4,301.84 mi (6,923.15 km) |
| Portage to Monovar | 4,278.51 mi (6,885.60 km) |
| Portage to Monserrat | 4,254.35 mi (6,846.72 km) |
