| Oristano to McKeesport (Pennsylvania) | 4,453.27 mi (7,166.84 km) |
| Oristano to McKinleyville (California) | 6,108.73 mi (9,831.05 km) |
| Oristano to McKinney (Texas) | 5,492.39 mi (8,839.15 km) |
| Oristano to McLean (Virginia) | 4,383.53 mi (7,054.62 km) |
| Oristano to McMinnville (Oregon) | 5,840.93 mi (9,400.07 km) |
| Oristano to McMinnville (Tennessee) | 4,900.76 mi (7,887.02 km) |
| Oristano to McNair (Virginia) | 4,393.23 mi (7,070.23 km) |
| Oristano to McPherson (Kansas) | 5,299.99 mi (8,529.50 km) |
| Oristano to Mead Valley (California) | 6,282.69 mi (10,111.01 km) |
| Oristano to Meadow Woods (Florida) | 4,989.12 mi (8,029.21 km) |
| Oristano to Meadowbrook (Virginia) | 4,451.25 mi (7,163.59 km) |
| Oristano to Meadville (Pennsylvania) | 4,419.44 mi (7,112.40 km) |
| Oristano to Mebane (North Carolina) | 4,585.22 mi (7,379.20 km) |
| Oristano to Mechanicsville (Virginia) | 4,438.60 mi (7,143.24 km) |
| Oristano to Medford (Massachusetts) | 3,988.23 mi (6,418.44 km) |
