| Gloucester to Melzo | 688.75 mi (1,108.43 km) |
| Gloucester to Mendicino | 1,239.72 mi (1,995.14 km) |
| Gloucester to Menfi | 1,230.77 mi (1,980.73 km) |
| Gloucester to Mentana | 974.56 mi (1,568.40 km) |
| Gloucester to Merano | 701.29 mi (1,128.62 km) |
| Gloucester to Merate | 679.83 mi (1,094.08 km) |
| Gloucester to Mercato San Severino | 1,110.70 mi (1,787.49 km) |
| Gloucester to Mercogliano | 1,102.57 mi (1,774.42 km) |
| Gloucester to Mesagne | 1,228.85 mi (1,977.64 km) |
| Gloucester to Messina | 1,276.77 mi (2,054.76 km) |
| Gloucester to Mestre | 791.82 mi (1,274.32 km) |
| Gloucester to Mestrino | 775.96 mi (1,248.79 km) |
| Gloucester to Milan | 682.46 mi (1,098.32 km) |
| Gloucester to Milazzo | 1,265.26 mi (2,036.23 km) |
| Gloucester to Minerbio | 803.42 mi (1,292.98 km) |
