| The Dalles to McHenry (Illinois) | 1,639.17 mi (2,637.98 km) |
| The Dalles to McKeesport (Pennsylvania) | 2,097.27 mi (3,375.24 km) |
| The Dalles to McKinleyville (California) | 353.28 mi (568.55 km) |
| The Dalles to McKinney (Texas) | 1,554.51 mi (2,501.74 km) |
| The Dalles to McLean (Virginia) | 2,265.89 mi (3,646.60 km) |
| The Dalles to McMinnville (Oregon) | 101.23 mi (162.92 km) |
| The Dalles to McMinnville (Tennessee) | 1,959.33 mi (3,153.23 km) |
| The Dalles to McNair (Virginia) | 2,255.18 mi (3,629.37 km) |
| The Dalles to McPherson (Kansas) | 1,301.18 mi (2,094.05 km) |
| The Dalles to Mead Valley (California) | 839.03 mi (1,350.30 km) |
| The Dalles to Meadow Woods (Florida) | 2,465.74 mi (3,968.23 km) |
| The Dalles to Meadowbrook (Virginia) | 2,300.28 mi (3,701.94 km) |
| The Dalles to Meadville (Pennsylvania) | 2,047.73 mi (3,295.50 km) |
| The Dalles to Mebane (North Carolina) | 2,258.59 mi (3,634.86 km) |
| The Dalles to Mechanicsville (Virginia) | 2,299.58 mi (3,700.81 km) |
