| River Grove to Marrero (Louisiana) | 841.28 mi (1,353.92 km) |
| River Grove to Marshall (Minnesota) | 436.68 mi (702.76 km) |
| River Grove to Marshall (Missouri) | 341.99 mi (550.38 km) |
| River Grove to Marshall (Texas) | 740.44 mi (1,191.62 km) |
| River Grove to Marshalltown (Iowa) | 260.43 mi (419.12 km) |
| River Grove to Marshfield (Wisconsin) | 222.66 mi (358.33 km) |
| River Grove to Martha Lake (Washington) | 1,717.43 mi (2,763.94 km) |
| River Grove to Martin (Tennessee) | 389.74 mi (627.22 km) |
| River Grove to Martinez (California) | 1,823.12 mi (2,934.02 km) |
| River Grove to Martinez (Georgia) | 659.53 mi (1,061.41 km) |
| River Grove to Martinsburg (West Virginia) | 543.57 mi (874.79 km) |
| River Grove to Martinsville (Indiana) | 188.39 mi (303.18 km) |
| River Grove to Martinsville (New Jersey) | 694.13 mi (1,117.09 km) |
| River Grove to Martinsville (Virginia) | 558.96 mi (899.55 km) |
| River Grove to Maryland City (Maryland) | 610.94 mi (983.21 km) |
