| Harwich to Manerbio | 607.18 mi (977.16 km) |
| Harwich to Manfredonia | 989.90 mi (1,593.09 km) |
| Harwich to Maniago | 652.70 mi (1,050.42 km) |
| Harwich to Mantova | 638.60 mi (1,027.72 km) |
| Harwich to Maranello | 674.65 mi (1,085.74 km) |
| Harwich to Marano di Napoli | 976.68 mi (1,571.81 km) |
| Harwich to Marano Vicentino | 630.98 mi (1,015.47 km) |
| Harwich to Marcianise | 972.56 mi (1,565.18 km) |
| Harwich to Marcon | 667.30 mi (1,073.91 km) |
| Harwich to Mareno di Piave | 655.19 mi (1,054.42 km) |
| Harwich to Margherita di Savoia | 1,011.81 mi (1,628.36 km) |
| Harwich to Mariano Comense | 560.83 mi (902.56 km) |
| Harwich to Marigliano | 982.70 mi (1,581.51 km) |
| Harwich to Marino | 883.08 mi (1,421.19 km) |
| Harwich to Marostica | 636.10 mi (1,023.70 km) |
