| River Grove to Maricopa (Arizona) | 1,453.42 mi (2,339.06 km) |
| River Grove to Marietta (Georgia) | 579.15 mi (932.06 km) |
| River Grove to Marietta (Ohio) | 376.71 mi (606.25 km) |
| River Grove to Marina (California) | 1,838.47 mi (2,958.74 km) |
| River Grove to Marinette (Wisconsin) | 218.77 mi (352.07 km) |
| River Grove to Marion (Arkansas) | 481.60 mi (775.07 km) |
| River Grove to Marion (Illinois) | 295.35 mi (475.32 km) |
| River Grove to Marion (Indiana) | 147.71 mi (237.71 km) |
| River Grove to Marion (Iowa) | 192.61 mi (309.98 km) |
| River Grove to Marion (Ohio) | 261.46 mi (420.77 km) |
| River Grove to Marion Oaks (Florida) | 947.10 mi (1,524.22 km) |
| River Grove to Markham (Illinois) | 23.66 mi (38.08 km) |
| River Grove to Marlborough (Massachusetts) | 833.93 mi (1,342.08 km) |
| River Grove to Marlton (New Jersey) | 687.64 mi (1,106.64 km) |
| River Grove to Marquette (Michigan) | 319.90 mi (514.82 km) |
