| Amposta to McKeesport (Pennsylvania) | 4,061.29 mi (6,536.01 km) |
| Amposta to McKinleyville (California) | 5,814.63 mi (9,357.75 km) |
| Amposta to McKinney (Texas) | 5,106.73 mi (8,218.48 km) |
| Amposta to McLean (Virginia) | 3,984.56 mi (6,412.53 km) |
| Amposta to McMinnville (Oregon) | 5,558.04 mi (8,944.80 km) |
| Amposta to McMinnville (Tennessee) | 4,504.46 mi (7,249.23 km) |
| Amposta to McNair (Virginia) | 3,994.53 mi (6,428.57 km) |
| Amposta to McPherson (Kansas) | 4,930.19 mi (7,934.37 km) |
| Amposta to Mead Valley (California) | 5,945.62 mi (9,568.56 km) |
| Amposta to Meadow Woods (Florida) | 4,573.83 mi (7,360.87 km) |
| Amposta to Meadowbrook (Virginia) | 4,048.86 mi (6,516.00 km) |
| Amposta to Meadville (Pennsylvania) | 4,031.68 mi (6,488.36 km) |
| Amposta to Mebane (North Carolina) | 4,181.77 mi (6,729.90 km) |
| Amposta to Mechanicsville (Virginia) | 4,036.54 mi (6,496.19 km) |
| Amposta to Medford (Massachusetts) | 3,592.18 mi (5,781.06 km) |
