| Lake Oswego to McKeesport (Pennsylvania) | 2,171.75 mi (3,495.10 km) |
| Lake Oswego to McKinleyville (California) | 316.22 mi (508.91 km) |
| Lake Oswego to McKinney (Texas) | 1,616.57 mi (2,601.61 km) |
| Lake Oswego to McLean (Virginia) | 2,340.28 mi (3,766.31 km) |
| Lake Oswego to McMinnville (Oregon) | 27.65 mi (44.50 km) |
| Lake Oswego to McMinnville (Tennessee) | 2,030.68 mi (3,268.06 km) |
| Lake Oswego to McNair (Virginia) | 2,329.56 mi (3,749.06 km) |
| Lake Oswego to McPherson (Kansas) | 1,369.80 mi (2,204.48 km) |
| Lake Oswego to Mead Valley (California) | 849.87 mi (1,367.74 km) |
| Lake Oswego to Meadow Woods (Florida) | 2,533.82 mi (4,077.80 km) |
| Lake Oswego to Meadowbrook (Virginia) | 2,374.27 mi (3,821.01 km) |
| Lake Oswego to Meadville (Pennsylvania) | 2,122.38 mi (3,415.64 km) |
| Lake Oswego to Mebane (North Carolina) | 2,331.84 mi (3,752.73 km) |
| Lake Oswego to Mechanicsville (Virginia) | 2,373.64 mi (3,820.00 km) |
| Lake Oswego to Medford (Massachusetts) | 2,531.73 mi (4,074.43 km) |
