| Gloucester to Montijo | 919.44 mi (1,479.70 km) |
| Gloucester to Montilla | 993.53 mi (1,598.93 km) |
| Gloucester to Montmelo | 743.11 mi (1,195.91 km) |
| Gloucester to Montornes del Valles | 744.02 mi (1,197.39 km) |
| Gloucester to Montoro | 962.37 mi (1,548.79 km) |
| Gloucester to Monzon | 697.22 mi (1,122.06 km) |
| Gloucester to Mora | 844.77 mi (1,359.52 km) |
| Gloucester to Moralzarzal | 777.43 mi (1,251.15 km) |
| Gloucester to Moron de la Frontera | 1,030.52 mi (1,658.46 km) |
| Gloucester to Mostoles | 800.45 mi (1,288.20 km) |
| Gloucester to Motril | 1,046.15 mi (1,683.62 km) |
| Gloucester to Muchamiel | 933.41 mi (1,502.18 km) |
| Gloucester to Mula | 955.74 mi (1,538.11 km) |
| Gloucester to Munguia | 588.63 mi (947.30 km) |
| Gloucester to Murcia | 960.41 mi (1,545.64 km) |
