| Simi Valley to Cadillac (Michigan) | 1,896.08 mi (3,051.44 km) |
| Simi Valley to Caguas (Puerto Rico) | 3,408.33 mi (5,485.18 km) |
| Simi Valley to Cahokia (Illinois) | 1,609.29 mi (2,589.90 km) |
| Simi Valley to Calabasas (California) | 10.01 mi (16.11 km) |
| Simi Valley to Caldwell (Idaho) | 657.62 mi (1,058.33 km) |
| Simi Valley to Caledonia (Wisconsin) | 1,757.95 mi (2,829.15 km) |
| Simi Valley to Calera (Alabama) | 1,833.87 mi (2,951.33 km) |
| Simi Valley to Calexico (California) | 217.06 mi (349.32 km) |
| Simi Valley to Calhoun (Georgia) | 1,918.95 mi (3,088.26 km) |
| Simi Valley to California (Maryland) | 2,349.41 mi (3,781.02 km) |
| Simi Valley to California City (California) | 79.21 mi (127.48 km) |
| Simi Valley to Callaway (Florida) | 1,952.77 mi (3,142.68 km) |
| Simi Valley to Calumet City (Illinois) | 1,763.29 mi (2,837.75 km) |
| Simi Valley to Calverton (Maryland) | 2,319.77 mi (3,733.31 km) |
| Simi Valley to Camano (Washington) | 980.73 mi (1,578.34 km) |
