| Olbia to Marysville (California) | 6,105.82 mi (9,826.37 km) |
| Olbia to Marysville (Ohio) | 4,614.27 mi (7,425.95 km) |
| Olbia to Marysville (Washington) | 5,615.12 mi (9,036.67 km) |
| Olbia to Maryville (Missouri) | 5,090.59 mi (8,192.51 km) |
| Olbia to Maryville (Tennessee) | 4,822.22 mi (7,760.61 km) |
| Olbia to Mason (Ohio) | 4,689.84 mi (7,547.56 km) |
| Olbia to Mason City (Iowa) | 4,900.79 mi (7,887.06 km) |
| Olbia to Massapequa (New York) | 4,159.47 mi (6,694.02 km) |
| Olbia to Massapequa Park (New York) | 4,158.03 mi (6,691.70 km) |
| Olbia to Massillon (Ohio) | 4,513.02 mi (7,263.00 km) |
| Olbia to Mastic (New York) | 4,126.34 mi (6,640.70 km) |
| Olbia to Mastic Beach (New York) | 4,127.32 mi (6,642.29 km) |
| Olbia to Matteson (Illinois) | 4,749.09 mi (7,642.93 km) |
| Olbia to Matthews (North Carolina) | 4,698.71 mi (7,561.84 km) |
| Olbia to Mattoon (Illinois) | 4,859.26 mi (7,820.23 km) |
