| River Grove to Castle Pines (Colorado) | 906.77 mi (1,459.30 km) |
| River Grove to Castle Rock (Colorado) | 907.58 mi (1,460.61 km) |
| River Grove to Castro Valley (California) | 1,827.12 mi (2,940.47 km) |
| River Grove to Catalina Foothills (Arizona) | 1,426.80 mi (2,296.22 km) |
| River Grove to Cataño (Puerto Rico) | 2,063.81 mi (3,321.38 km) |
| River Grove to Cathedral City (California) | 1,648.84 mi (2,653.55 km) |
| River Grove to Catonsville (Maryland) | 609.91 mi (981.56 km) |
| River Grove to Cave Spring (Virginia) | 528.13 mi (849.94 km) |
| River Grove to Cayce (South Carolina) | 663.56 mi (1,067.89 km) |
| River Grove to Cayey (Puerto Rico) | 2,081.73 mi (3,350.23 km) |
| River Grove to Cedar City (Utah) | 1,367.02 mi (2,200.00 km) |
| River Grove to Cedar Falls (Iowa) | 239.69 mi (385.75 km) |
| River Grove to Cedar Hill (Texas) | 816.49 mi (1,314.02 km) |
| River Grove to Cedar Lake (Indiana) | 43.51 mi (70.03 km) |
| River Grove to Cedar Mill (Oregon) | 1,749.22 mi (2,815.10 km) |
