| Sofia to McKeesport (Pennsylvania) | 4,965.04 mi (7,990.46 km) |
| Sofia to McKinleyville (California) | 6,310.46 mi (10,155.70 km) |
| Sofia to McKinney (Texas) | 5,965.22 mi (9,600.10 km) |
| Sofia to McLean (Virginia) | 4,921.15 mi (7,919.82 km) |
| Sofia to McMinnville (Oregon) | 6,022.58 mi (9,692.40 km) |
| Sofia to McMinnville (Tennessee) | 5,420.57 mi (8,723.57 km) |
| Sofia to McNair (Virginia) | 4,929.70 mi (7,933.59 km) |
| Sofia to McPherson (Kansas) | 5,725.04 mi (9,213.56 km) |
| Sofia to Mead Valley (California) | 6,592.04 mi (10,608.87 km) |
| Sofia to Meadow Woods (Florida) | 5,588.69 mi (8,994.13 km) |
| Sofia to Meadowbrook (Virginia) | 5,000.62 mi (8,047.73 km) |
| Sofia to Meadville (Pennsylvania) | 4,917.69 mi (7,914.25 km) |
| Sofia to Mebane (North Carolina) | 5,136.79 mi (8,266.86 km) |
| Sofia to Mechanicsville (Virginia) | 4,986.89 mi (8,025.62 km) |
| Sofia to Medford (Massachusetts) | 4,522.08 mi (7,277.59 km) |
