| Forest Hills to Castle Pines (Colorado) | 1,033.41 mi (1,663.11 km) |
| Forest Hills to Castle Rock (Colorado) | 1,034.58 mi (1,664.99 km) |
| Forest Hills to Castro Valley (California) | 1,944.26 mi (3,128.98 km) |
| Forest Hills to Catalina Foothills (Arizona) | 1,563.71 mi (2,516.55 km) |
| Forest Hills to Cataño (Puerto Rico) | 2,036.17 mi (3,276.91 km) |
| Forest Hills to Cathedral City (California) | 1,779.46 mi (2,863.77 km) |
| Forest Hills to Catonsville (Maryland) | 521.58 mi (839.40 km) |
| Forest Hills to Cave Spring (Virginia) | 490.50 mi (789.39 km) |
| Forest Hills to Cayce (South Carolina) | 667.26 mi (1,073.85 km) |
| Forest Hills to Cayey (Puerto Rico) | 2,054.98 mi (3,307.17 km) |
| Forest Hills to Cedar City (Utah) | 1,491.87 mi (2,400.93 km) |
| Forest Hills to Cedar Falls (Iowa) | 354.59 mi (570.66 km) |
| Forest Hills to Cedar Hill (Texas) | 950.24 mi (1,529.26 km) |
| Forest Hills to Cedar Lake (Indiana) | 148.34 mi (238.73 km) |
| Forest Hills to Cedar Mill (Oregon) | 1,838.55 mi (2,958.85 km) |
