| Portishead to Melzo | 692.78 mi (1,114.91 km) |
| Portishead to Mendicino | 1,242.01 mi (1,998.82 km) |
| Portishead to Menfi | 1,227.16 mi (1,974.92 km) |
| Portishead to Mentana | 976.34 mi (1,571.27 km) |
| Portishead to Merano | 710.91 mi (1,144.10 km) |
| Portishead to Merate | 684.40 mi (1,101.43 km) |
| Portishead to Mercato San Severino | 1,113.33 mi (1,791.73 km) |
| Portishead to Mercogliano | 1,105.38 mi (1,778.93 km) |
| Portishead to Mesagne | 1,234.60 mi (1,986.90 km) |
| Portishead to Messina | 1,277.02 mi (2,055.17 km) |
| Portishead to Mestre | 799.86 mi (1,287.26 km) |
| Portishead to Mestrino | 783.30 mi (1,260.60 km) |
| Portishead to Milan | 686.03 mi (1,104.06 km) |
| Portishead to Milazzo | 1,265.16 mi (2,036.07 km) |
| Portishead to Minerbio | 808.48 mi (1,301.12 km) |
