| Alton to McKeesport (Pennsylvania) | 3,688.41 mi (5,935.92 km) |
| Alton to McKinleyville (California) | 5,211.52 mi (8,387.13 km) |
| Alton to McKinney (Texas) | 4,699.17 mi (7,562.58 km) |
| Alton to McLean (Virginia) | 3,642.43 mi (5,861.93 km) |
| Alton to McMinnville (Oregon) | 4,940.93 mi (7,951.65 km) |
| Alton to McMinnville (Tennessee) | 4,143.57 mi (6,668.43 km) |
| Alton to McNair (Virginia) | 3,651.03 mi (5,875.76 km) |
| Alton to McPherson (Kansas) | 4,475.41 mi (7,202.47 km) |
| Alton to Mead Valley (California) | 5,410.45 mi (8,707.28 km) |
| Alton to Meadow Woods (Florida) | 4,315.49 mi (6,945.12 km) |
| Alton to Meadowbrook (Virginia) | 3,721.90 mi (5,989.81 km) |
| Alton to Meadville (Pennsylvania) | 3,643.07 mi (5,862.95 km) |
| Alton to Mebane (North Carolina) | 3,858.07 mi (6,208.97 km) |
| Alton to Mechanicsville (Virginia) | 3,708.14 mi (5,967.67 km) |
| Alton to Medford (Massachusetts) | 3,243.34 mi (5,219.65 km) |
