| River Ridge to Mendota (California) | 1,794.38 mi (2,887.78 km) |
| River Ridge to Mendota Heights (Minnesota) | 1,043.21 mi (1,678.88 km) |
| River Ridge to Menifee (California) | 1,599.18 mi (2,573.63 km) |
| River Ridge to Menlo Park (California) | 1,897.82 mi (3,054.25 km) |
| River Ridge to Menomonee Falls (Wisconsin) | 918.62 mi (1,478.37 km) |
| River Ridge to Menomonie (Wisconsin) | 1,035.65 mi (1,666.72 km) |
| River Ridge to Mentor (Ohio) | 949.82 mi (1,528.59 km) |
| River Ridge to Mequon (Wisconsin) | 925.53 mi (1,489.49 km) |
| River Ridge to Merced (California) | 1,804.40 mi (2,903.90 km) |
| River Ridge to Mercedes (Texas) | 537.53 mi (865.07 km) |
| River Ridge to Mercer Island (Washington) | 2,086.71 mi (3,358.24 km) |
| River Ridge to Mercerville (New Jersey) | 1,126.08 mi (1,812.25 km) |
| River Ridge to Meriden (Connecticut) | 1,258.52 mi (2,025.39 km) |
| River Ridge to Meridian (Idaho) | 1,717.02 mi (2,763.27 km) |
| River Ridge to Meridian (Mississippi) | 190.43 mi (306.47 km) |
