| Oceanside to Cadillac (Michigan) | 1,864.78 mi (3,001.07 km) |
| Oceanside to Caguas (Puerto Rico) | 3,319.67 mi (5,342.49 km) |
| Oceanside to Cahokia (Illinois) | 1,556.47 mi (2,504.89 km) |
| Oceanside to Calabasas (California) | 100.48 mi (161.71 km) |
| Oceanside to Caldwell (Idaho) | 720.84 mi (1,160.08 km) |
| Oceanside to Caledonia (Wisconsin) | 1,722.21 mi (2,771.63 km) |
| Oceanside to Calera (Alabama) | 1,761.14 mi (2,834.28 km) |
| Oceanside to Calexico (California) | 111.58 mi (179.57 km) |
| Oceanside to Calhoun (Georgia) | 1,851.41 mi (2,979.56 km) |
| Oceanside to California (Maryland) | 2,296.19 mi (3,695.36 km) |
| Oceanside to California City (California) | 137.40 mi (221.12 km) |
| Oceanside to Callaway (Florida) | 1,871.92 mi (3,012.57 km) |
| Oceanside to Calumet City (Illinois) | 1,722.46 mi (2,772.03 km) |
| Oceanside to Calverton (Maryland) | 2,268.78 mi (3,651.25 km) |
| Oceanside to Camano (Washington) | 1,067.90 mi (1,718.62 km) |
