| Lake Oswego to Mauldin (South Carolina) | 2,230.94 mi (3,590.36 km) |
| Lake Oswego to Maumee (Ohio) | 1,955.18 mi (3,146.56 km) |
| Lake Oswego to Maumelle (Arkansas) | 1,745.44 mi (2,809.02 km) |
| Lake Oswego to Mayagüez (Puerto Rico) | 3,673.00 mi (5,911.13 km) |
| Lake Oswego to Mayfield Heights (Ohio) | 2,062.93 mi (3,319.96 km) |
| Lake Oswego to Mays Chapel (Maryland) | 2,351.73 mi (3,784.74 km) |
| Lake Oswego to Maywood (California) | 824.63 mi (1,327.11 km) |
| Lake Oswego to Maywood (Illinois) | 1,745.79 mi (2,809.58 km) |
| Lake Oswego to McAlester (Oklahoma) | 1,585.18 mi (2,551.10 km) |
| Lake Oswego to McAllen (Texas) | 1,891.93 mi (3,044.77 km) |
| Lake Oswego to McCalla (Alabama) | 2,059.75 mi (3,314.85 km) |
| Lake Oswego to McComb (Mississippi) | 1,983.30 mi (3,191.82 km) |
| Lake Oswego to McDonough (Georgia) | 2,191.99 mi (3,527.67 km) |
| Lake Oswego to McFarland (California) | 696.51 mi (1,120.93 km) |
| Lake Oswego to McHenry (Illinois) | 1,713.53 mi (2,757.66 km) |
