| River Grove to Cadillac (Michigan) | 201.81 mi (324.78 km) |
| River Grove to Caguas (Puerto Rico) | 2,079.46 mi (3,346.57 km) |
| River Grove to Cahokia (Illinois) | 262.88 mi (423.06 km) |
| River Grove to Calabasas (California) | 1,751.12 mi (2,818.15 km) |
| River Grove to Caldwell (Idaho) | 1,458.95 mi (2,347.95 km) |
| River Grove to Caledonia (Wisconsin) | 60.44 mi (97.27 km) |
| River Grove to Calera (Alabama) | 610.87 mi (983.10 km) |
| River Grove to Calexico (California) | 1,639.32 mi (2,638.23 km) |
| River Grove to Calhoun (Georgia) | 537.08 mi (864.34 km) |
| River Grove to California (Maryland) | 649.02 mi (1,044.50 km) |
| River Grove to California City (California) | 1,679.41 mi (2,702.75 km) |
| River Grove to Callaway (Florida) | 824.39 mi (1,326.73 km) |
| River Grove to Calumet City (Illinois) | 26.09 mi (41.99 km) |
| River Grove to Calverton (Maryland) | 604.96 mi (973.59 km) |
| River Grove to Camano (Washington) | 1,728.92 mi (2,782.43 km) |
