| River Grove to Morris (Illinois) | 48.75 mi (78.46 km) |
| River Grove to Morristown (New Jersey) | 696.52 mi (1,120.94 km) |
| River Grove to Morristown (Tennessee) | 464.00 mi (746.74 km) |
| River Grove to Morrisville (North Carolina) | 640.75 mi (1,031.18 km) |
| River Grove to Morro Bay (California) | 1,825.77 mi (2,938.30 km) |
| River Grove to Morton (Illinois) | 123.93 mi (199.44 km) |
| River Grove to Morton Grove (Illinois) | 8.53 mi (13.73 km) |
| River Grove to Moscow (Idaho) | 1,469.99 mi (2,365.72 km) |
| River Grove to Moses Lake (Washington) | 1,578.32 mi (2,540.07 km) |
| River Grove to Moss Bluff (Louisiana) | 856.48 mi (1,378.37 km) |
| River Grove to Moss Point (Mississippi) | 795.51 mi (1,280.25 km) |
| River Grove to Moultrie (Georgia) | 777.05 mi (1,250.54 km) |
| River Grove to Mounds View (Minnesota) | 347.35 mi (559.01 km) |
| River Grove to Mount Airy (North Carolina) | 537.68 mi (865.31 km) |
| River Grove to Mount Clemens (Michigan) | 257.61 mi (414.59 km) |
