| Gloucester to McKeesport (Pennsylvania) | 3,619.99 mi (5,825.81 km) |
| Gloucester to McKinleyville (California) | 5,138.45 mi (8,269.54 km) |
| Gloucester to McKinney (Texas) | 4,628.70 mi (7,449.17 km) |
| Gloucester to McLean (Virginia) | 3,575.53 mi (5,754.25 km) |
| Gloucester to McMinnville (Oregon) | 4,868.17 mi (7,834.57 km) |
| Gloucester to McMinnville (Tennessee) | 4,075.33 mi (6,558.61 km) |
| Gloucester to McNair (Virginia) | 3,584.04 mi (5,767.95 km) |
| Gloucester to McPherson (Kansas) | 4,403.50 mi (7,086.75 km) |
| Gloucester to Mead Valley (California) | 5,336.96 mi (8,589.01 km) |
| Gloucester to Meadow Woods (Florida) | 4,252.37 mi (6,843.53 km) |
| Gloucester to Meadowbrook (Virginia) | 3,655.67 mi (5,883.24 km) |
| Gloucester to Meadville (Pennsylvania) | 3,573.99 mi (5,751.78 km) |
| Gloucester to Mebane (North Carolina) | 3,791.88 mi (6,102.44 km) |
| Gloucester to Mechanicsville (Virginia) | 3,641.86 mi (5,861.00 km) |
| Gloucester to Medford (Massachusetts) | 3,176.53 mi (5,112.13 km) |
