| Gloucester to Miranda de Ebro | 635.17 mi (1,022.20 km) |
| Gloucester to Mislata | 860.49 mi (1,384.83 km) |
| Gloucester to Moana | 728.64 mi (1,172.63 km) |
| Gloucester to Moguer | 1,032.57 mi (1,661.76 km) |
| Gloucester to Molina de Segura | 955.46 mi (1,537.66 km) |
| Gloucester to Molins de Rey | 749.47 mi (1,206.16 km) |
| Gloucester to Mollerusa | 722.29 mi (1,162.42 km) |
| Gloucester to Mollet | 743.86 mi (1,197.12 km) |
| Gloucester to Moncada | 746.82 mi (1,201.89 km) |
| Gloucester to Moncada | 855.73 mi (1,377.17 km) |
| Gloucester to Monforte de Lemos | 691.23 mi (1,112.43 km) |
| Gloucester to Monforte del Cid | 934.60 mi (1,504.10 km) |
| Gloucester to Mongat | 749.37 mi (1,205.99 km) |
| Gloucester to Monovar | 930.23 mi (1,497.06 km) |
| Gloucester to Monserrat | 867.72 mi (1,396.46 km) |
