| Valley Center to Cadillac (Michigan) | 1,850.37 mi (2,977.88 km) |
| Valley Center to Caguas (Puerto Rico) | 3,302.88 mi (5,315.47 km) |
| Valley Center to Cahokia (Illinois) | 1,540.53 mi (2,479.24 km) |
| Valley Center to Calabasas (California) | 113.74 mi (183.05 km) |
| Valley Center to Caldwell (Idaho) | 719.68 mi (1,158.21 km) |
| Valley Center to Caledonia (Wisconsin) | 1,707.46 mi (2,747.88 km) |
| Valley Center to Calera (Alabama) | 1,744.33 mi (2,807.22 km) |
| Valley Center to Calexico (California) | 95.99 mi (154.47 km) |
| Valley Center to Calhoun (Georgia) | 1,834.75 mi (2,952.74 km) |
| Valley Center to California (Maryland) | 2,280.16 mi (3,669.57 km) |
| Valley Center to California City (California) | 141.71 mi (228.05 km) |
| Valley Center to Callaway (Florida) | 1,855.01 mi (2,985.35 km) |
| Valley Center to Calumet City (Illinois) | 1,707.31 mi (2,747.65 km) |
| Valley Center to Calverton (Maryland) | 2,252.89 mi (3,625.67 km) |
| Valley Center to Camano (Washington) | 1,071.25 mi (1,724.01 km) |
