| Fortuna to McKeesport (Pennsylvania) | 4,065.93 mi (6,543.48 km) |
| Fortuna to McKinleyville (California) | 5,893.15 mi (9,484.11 km) |
| Fortuna to McKinney (Texas) | 5,115.81 mi (8,233.10 km) |
| Fortuna to McLean (Virginia) | 3,980.39 mi (6,405.82 km) |
| Fortuna to McMinnville (Oregon) | 5,643.73 mi (9,082.70 km) |
| Fortuna to McMinnville (Tennessee) | 4,502.40 mi (7,245.91 km) |
| Fortuna to McNair (Virginia) | 3,990.71 mi (6,422.42 km) |
| Fortuna to McPherson (Kansas) | 4,955.89 mi (7,975.73 km) |
| Fortuna to Mead Valley (California) | 5,995.58 mi (9,648.95 km) |
| Fortuna to Meadow Woods (Florida) | 4,540.98 mi (7,308.00 km) |
| Fortuna to Meadowbrook (Virginia) | 4,039.67 mi (6,501.21 km) |
| Fortuna to Meadville (Pennsylvania) | 4,041.42 mi (6,504.04 km) |
| Fortuna to Mebane (North Carolina) | 4,170.63 mi (6,711.98 km) |
| Fortuna to Mechanicsville (Virginia) | 4,027.87 mi (6,482.24 km) |
| Fortuna to Medford (Massachusetts) | 3,593.22 mi (5,782.72 km) |
