| Seal Beach to Cullman (Alabama) | 1,782.82 mi (2,869.17 km) |
| Seal Beach to Culpeper (Virginia) | 2,242.52 mi (3,608.99 km) |
| Seal Beach to Culver City (California) | 25.51 mi (41.05 km) |
| Seal Beach to Cumberland (Maryland) | 2,197.57 mi (3,536.64 km) |
| Seal Beach to Cupertino (California) | 332.41 mi (534.97 km) |
| Seal Beach to Cutler Bay (Florida) | 2,321.17 mi (3,735.57 km) |
| Seal Beach to Cutlerville (Michigan) | 1,851.94 mi (2,980.41 km) |
| Seal Beach to Cuyahoga Falls (Ohio) | 2,052.73 mi (3,303.55 km) |
| Seal Beach to Cypress (California) | 4.74 mi (7.62 km) |
| Seal Beach to Cypress Gardens (Florida) | 2,182.40 mi (3,512.24 km) |
| Seal Beach to Cypress Lake (Florida) | 2,206.01 mi (3,550.23 km) |
| Seal Beach to D'Iberville (Mississippi) | 1,716.36 mi (2,762.21 km) |
| Seal Beach to Dakota Ridge (Colorado) | 822.21 mi (1,323.23 km) |
| Seal Beach to Dale City (Virginia) | 2,276.87 mi (3,664.27 km) |
| Seal Beach to Dallas (Georgia) | 1,898.69 mi (3,055.65 km) |
