| Somerville to McHenry (Illinois) | 876.16 mi (1,410.05 km) |
| Somerville to McKeesport (Pennsylvania) | 474.67 mi (763.91 km) |
| Somerville to McKinleyville (California) | 2,691.25 mi (4,331.15 km) |
| Somerville to McKinney (Texas) | 1,525.58 mi (2,455.18 km) |
| Somerville to McLean (Virginia) | 398.19 mi (640.82 km) |
| Somerville to McMinnville (Oregon) | 2,559.55 mi (4,119.20 km) |
| Somerville to McMinnville (Tennessee) | 912.01 mi (1,467.74 km) |
| Somerville to McNair (Virginia) | 407.03 mi (655.05 km) |
| Somerville to McPherson (Kansas) | 1,419.07 mi (2,283.77 km) |
| Somerville to Mead Valley (California) | 2,546.65 mi (4,098.44 km) |
| Somerville to Meadow Woods (Florida) | 1,125.66 mi (1,811.57 km) |
| Somerville to Meadowbrook (Virginia) | 480.91 mi (773.95 km) |
| Somerville to Meadville (Pennsylvania) | 466.91 mi (751.42 km) |
| Somerville to Mebane (North Carolina) | 616.73 mi (992.54 km) |
| Somerville to Mechanicsville (Virginia) | 466.58 mi (750.89 km) |
