| Portishead to Miranda de Ebro | 608.12 mi (978.68 km) |
| Portishead to Mislata | 837.38 mi (1,347.63 km) |
| Portishead to Moana | 695.18 mi (1,118.78 km) |
| Portishead to Moguer | 1,001.78 mi (1,612.21 km) |
| Portishead to Molina de Segura | 930.92 mi (1,498.17 km) |
| Portishead to Molins de Rey | 731.61 mi (1,177.42 km) |
| Portishead to Mollerusa | 702.34 mi (1,130.30 km) |
| Portishead to Mollet | 726.48 mi (1,169.16 km) |
| Portishead to Moncada | 729.36 mi (1,173.79 km) |
| Portishead to Moncada | 832.67 mi (1,340.05 km) |
| Portishead to Monforte de Lemos | 658.49 mi (1,059.73 km) |
| Portishead to Monforte del Cid | 910.80 mi (1,465.79 km) |
| Portishead to Mongat | 732.08 mi (1,178.16 km) |
| Portishead to Monovar | 906.28 mi (1,458.52 km) |
| Portishead to Monserrat | 844.28 mi (1,358.74 km) |
