| Harwich to Marsala | 1,116.48 mi (1,796.80 km) |
| Harwich to Marsciano | 807.99 mi (1,300.33 km) |
| Harwich to Martano | 1,145.28 mi (1,843.15 km) |
| Harwich to Martellago | 662.86 mi (1,066.77 km) |
| Harwich to Martina Franca | 1,086.40 mi (1,748.39 km) |
| Harwich to Martinengo | 585.14 mi (941.70 km) |
| Harwich to Martinsicuro | 858.43 mi (1,381.50 km) |
| Harwich to Mascali | 1,189.88 mi (1,914.93 km) |
| Harwich to Mascalucia | 1,196.79 mi (1,926.04 km) |
| Harwich to Masera di Padova | 664.66 mi (1,069.67 km) |
| Harwich to Maserada sul Piave | 658.35 mi (1,059.51 km) |
| Harwich to Massa | 681.71 mi (1,097.10 km) |
| Harwich to Massa Lombarda | 708.23 mi (1,139.78 km) |
| Harwich to Massafra | 1,085.58 mi (1,747.07 km) |
| Harwich to Massalubrense | 997.77 mi (1,605.76 km) |
