| The Dalles to Mendota (California) | 612.88 mi (986.34 km) |
| The Dalles to Mendota Heights (Minnesota) | 1,358.13 mi (2,185.71 km) |
| The Dalles to Menifee (California) | 849.93 mi (1,367.82 km) |
| The Dalles to Menlo Park (California) | 564.49 mi (908.46 km) |
| The Dalles to Menomonee Falls (Wisconsin) | 1,629.75 mi (2,622.82 km) |
| The Dalles to Menomonie (Wisconsin) | 1,416.93 mi (2,280.33 km) |
| The Dalles to Mentor (Ohio) | 1,989.59 mi (3,201.94 km) |
| The Dalles to Mequon (Wisconsin) | 1,634.63 mi (2,630.68 km) |
| The Dalles to Merced (California) | 574.60 mi (924.72 km) |
| The Dalles to Mercedes (Texas) | 1,858.22 mi (2,990.52 km) |
| The Dalles to Mercer Island (Washington) | 144.36 mi (232.33 km) |
| The Dalles to Mercerville (New Jersey) | 2,347.74 mi (3,778.32 km) |
| The Dalles to Meriden (Connecticut) | 2,401.48 mi (3,864.81 km) |
| The Dalles to Meridian (Idaho) | 272.61 mi (438.72 km) |
| The Dalles to Meridian (Mississippi) | 1,950.83 mi (3,139.56 km) |
