| River Grove to Mendota (California) | 1,763.99 mi (2,838.87 km) |
| River Grove to Mendota Heights (Minnesota) | 335.42 mi (539.81 km) |
| River Grove to Menifee (California) | 1,690.06 mi (2,719.88 km) |
| River Grove to Menlo Park (California) | 1,838.24 mi (2,958.37 km) |
| River Grove to Menomonee Falls (Wisconsin) | 85.83 mi (138.13 km) |
| River Grove to Menomonie (Wisconsin) | 289.26 mi (465.52 km) |
| River Grove to Mentor (Ohio) | 335.16 mi (539.39 km) |
| River Grove to Mequon (Wisconsin) | 90.88 mi (146.25 km) |
| River Grove to Merced (California) | 1,755.37 mi (2,825.00 km) |
| River Grove to Mercedes (Texas) | 1,230.79 mi (1,980.77 km) |
| River Grove to Mercer Island (Washington) | 1,717.19 mi (2,763.55 km) |
| River Grove to Mercerville (New Jersey) | 693.82 mi (1,116.60 km) |
| River Grove to Meriden (Connecticut) | 775.15 mi (1,247.48 km) |
| River Grove to Meridian (Idaho) | 1,446.13 mi (2,327.33 km) |
| River Grove to Meridian (Mississippi) | 660.79 mi (1,063.43 km) |
