| Valley Center to Castle Pines (Colorado) | 800.18 mi (1,287.77 km) |
| Valley Center to Castle Rock (Colorado) | 798.14 mi (1,284.48 km) |
| Valley Center to Castro Valley (California) | 419.71 mi (675.47 km) |
| Valley Center to Catalina Foothills (Arizona) | 361.93 mi (582.47 km) |
| Valley Center to Cataño (Puerto Rico) | 3,290.02 mi (5,294.77 km) |
| Valley Center to Cathedral City (California) | 52.40 mi (84.34 km) |
| Valley Center to Catonsville (Maryland) | 2,263.37 mi (3,642.55 km) |
| Valley Center to Cave Spring (Virginia) | 2,093.51 mi (3,369.18 km) |
| Valley Center to Cayce (South Carolina) | 2,060.34 mi (3,315.80 km) |
| Valley Center to Cayey (Puerto Rico) | 3,299.62 mi (5,310.22 km) |
| Valley Center to Cedar City (Utah) | 378.36 mi (608.92 km) |
| Valley Center to Cedar Falls (Iowa) | 1,478.04 mi (2,378.68 km) |
| Valley Center to Cedar Hill (Texas) | 1,162.53 mi (1,870.91 km) |
| Valley Center to Cedar Lake (Indiana) | 1,710.11 mi (2,752.16 km) |
| Valley Center to Cedar Mill (Oregon) | 903.78 mi (1,454.50 km) |
