| Donostia to McKeesport (Pennsylvania) | 3,862.00 mi (6,215.29 km) |
| Donostia to McKinleyville (California) | 5,591.93 mi (8,999.34 km) |
| Donostia to McKinney (Texas) | 4,904.07 mi (7,892.33 km) |
| Donostia to McLean (Virginia) | 3,790.14 mi (6,099.64 km) |
| Donostia to McMinnville (Oregon) | 5,334.98 mi (8,585.83 km) |
| Donostia to McMinnville (Tennessee) | 4,308.16 mi (6,933.32 km) |
| Donostia to McNair (Virginia) | 3,799.91 mi (6,115.36 km) |
| Donostia to McPherson (Kansas) | 4,720.44 mi (7,596.81 km) |
| Donostia to Mead Valley (California) | 5,727.55 mi (9,217.59 km) |
| Donostia to Meadow Woods (Florida) | 4,396.62 mi (7,075.68 km) |
| Donostia to Meadowbrook (Virginia) | 3,857.24 mi (6,207.62 km) |
| Donostia to Meadville (Pennsylvania) | 3,829.86 mi (6,163.56 km) |
| Donostia to Mebane (North Carolina) | 3,991.09 mi (6,423.04 km) |
| Donostia to Mechanicsville (Virginia) | 3,844.64 mi (6,187.34 km) |
| Donostia to Medford (Massachusetts) | 3,395.51 mi (5,464.55 km) |
