| Newcastle under Lyme to McKeesport (Pennsylvania) | 3,594.09 mi (5,784.13 km) |
| Newcastle under Lyme to McKinleyville (California) | 5,079.94 mi (8,175.38 km) |
| Newcastle under Lyme to McKinney (Texas) | 4,596.13 mi (7,396.76 km) |
| Newcastle under Lyme to McLean (Virginia) | 3,553.63 mi (5,719.02 km) |
| Newcastle under Lyme to McMinnville (Oregon) | 4,807.95 mi (7,737.64 km) |
| Newcastle under Lyme to McMinnville (Tennessee) | 4,049.76 mi (6,517.46 km) |
| Newcastle under Lyme to McNair (Virginia) | 3,561.95 mi (5,732.40 km) |
| Newcastle under Lyme to McPherson (Kansas) | 4,365.40 mi (7,025.43 km) |
| Newcastle under Lyme to Mead Valley (California) | 5,287.22 mi (8,508.95 km) |
| Newcastle under Lyme to Meadow Woods (Florida) | 4,238.82 mi (6,821.72 km) |
| Newcastle under Lyme to Meadowbrook (Virginia) | 3,635.44 mi (5,850.68 km) |
| Newcastle under Lyme to Meadville (Pennsylvania) | 3,546.20 mi (5,707.07 km) |
| Newcastle under Lyme to Mebane (North Carolina) | 3,771.66 mi (6,069.90 km) |
| Newcastle under Lyme to Mechanicsville (Virginia) | 3,621.48 mi (5,828.22 km) |
| Newcastle under Lyme to Medford (Massachusetts) | 3,155.07 mi (5,077.60 km) |
