| Gloucester to Manerbio | 720.31 mi (1,159.23 km) |
| Gloucester to Manfredonia | 1,107.71 mi (1,782.69 km) |
| Gloucester to Maniago | 781.82 mi (1,258.22 km) |
| Gloucester to Mantova | 753.66 mi (1,212.90 km) |
| Gloucester to Maranello | 786.08 mi (1,265.07 km) |
| Gloucester to Marano di Napoli | 1,084.77 mi (1,745.77 km) |
| Gloucester to Marano Vicentino | 752.52 mi (1,211.07 km) |
| Gloucester to Marcianise | 1,081.71 mi (1,740.84 km) |
| Gloucester to Marcon | 791.38 mi (1,273.60 km) |
| Gloucester to Mareno di Piave | 781.17 mi (1,257.17 km) |
| Gloucester to Margherita di Savoia | 1,129.35 mi (1,817.51 km) |
| Gloucester to Mariano Comense | 671.04 mi (1,079.94 km) |
| Gloucester to Marigliano | 1,092.05 mi (1,757.48 km) |
| Gloucester to Marino | 988.28 mi (1,590.48 km) |
| Gloucester to Marostica | 758.84 mi (1,221.24 km) |
