| South River to Castle Pines (Colorado) | 1,608.39 mi (2,588.46 km) |
| South River to Castle Rock (Colorado) | 1,608.78 mi (2,589.08 km) |
| South River to Castro Valley (California) | 2,533.49 mi (4,077.26 km) |
| South River to Catalina Foothills (Arizona) | 2,090.97 mi (3,365.10 km) |
| South River to Cataño (Puerto Rico) | 1,597.40 mi (2,570.76 km) |
| South River to Cathedral City (California) | 2,339.84 mi (3,765.61 km) |
| South River to Catonsville (Maryland) | 149.59 mi (240.75 km) |
| South River to Cave Spring (Virginia) | 375.74 mi (604.69 km) |
| South River to Cayce (South Carolina) | 579.46 mi (932.54 km) |
| South River to Cayey (Puerto Rico) | 1,618.47 mi (2,604.68 km) |
| South River to Cedar City (Utah) | 2,069.17 mi (3,330.01 km) |
| South River to Cedar Falls (Iowa) | 944.66 mi (1,520.28 km) |
| South River to Cedar Hill (Texas) | 1,361.56 mi (2,191.22 km) |
| South River to Cedar Lake (Indiana) | 684.33 mi (1,101.32 km) |
| South River to Cedar Mill (Oregon) | 2,434.80 mi (3,918.43 km) |
