| River Grove to Malvern (Arkansas) | 587.51 mi (945.50 km) |
| River Grove to Manassas (Virginia) | 587.33 mi (945.22 km) |
| River Grove to Manassas Park (Virginia) | 588.65 mi (947.35 km) |
| River Grove to Manatí (Puerto Rico) | 2,052.15 mi (3,302.62 km) |
| River Grove to Manchester (Missouri) | 270.33 mi (435.05 km) |
| River Grove to Manchester (New Hampshire) | 837.56 mi (1,347.92 km) |
| River Grove to Manchester (Tennessee) | 456.38 mi (734.48 km) |
| River Grove to Manchester (Virginia) | 626.68 mi (1,008.54 km) |
| River Grove to Mandan (North Dakota) | 726.82 mi (1,169.71 km) |
| River Grove to Mandeville (Louisiana) | 807.72 mi (1,299.90 km) |
| River Grove to Mango (Florida) | 1,011.73 mi (1,628.23 km) |
| River Grove to Manhattan (Kansas) | 497.22 mi (800.19 km) |
| River Grove to Manhattan (New York) | 722.95 mi (1,163.47 km) |
| River Grove to Manhattan Beach (California) | 1,745.12 mi (2,808.51 km) |
| River Grove to Manitowoc (Wisconsin) | 150.47 mi (242.16 km) |
