| River Grove to Mankato (Minnesota) | 346.57 mi (557.75 km) |
| River Grove to Manor (Texas) | 963.35 mi (1,550.36 km) |
| River Grove to Manorville (New York) | 782.39 mi (1,259.13 km) |
| River Grove to Mansfield (Ohio) | 286.80 mi (461.56 km) |
| River Grove to Mansfield (Texas) | 822.64 mi (1,323.90 km) |
| River Grove to Manteca (California) | 1,782.20 mi (2,868.17 km) |
| River Grove to Manville (New Jersey) | 694.29 mi (1,117.35 km) |
| River Grove to Maple Grove (Minnesota) | 357.40 mi (575.18 km) |
| River Grove to Maple Heights (Ohio) | 325.77 mi (524.28 km) |
| River Grove to Maple Valley (Washington) | 1,708.03 mi (2,748.81 km) |
| River Grove to Mapleton (Utah) | 1,239.61 mi (1,994.96 km) |
| River Grove to Maplewood (Minnesota) | 335.11 mi (539.30 km) |
| River Grove to Marana (Arizona) | 1,434.88 mi (2,309.22 km) |
| River Grove to Marco Island (Florida) | 1,158.75 mi (1,864.82 km) |
| River Grove to Margate (Florida) | 1,166.57 mi (1,877.41 km) |
