| Seal Beach to Clemson (South Carolina) | 2,005.12 mi (3,226.93 km) |
| Seal Beach to Clermont (Florida) | 2,168.33 mi (3,489.59 km) |
| Seal Beach to Cleveland (Mississippi) | 1,566.17 mi (2,520.50 km) |
| Seal Beach to Cleveland (Ohio) | 2,045.50 mi (3,291.92 km) |
| Seal Beach to Cleveland (Tennessee) | 1,885.03 mi (3,033.66 km) |
| Seal Beach to Cleveland Heights (Ohio) | 2,051.68 mi (3,301.85 km) |
| Seal Beach to Cliffside Park (New Jersey) | 2,445.56 mi (3,935.74 km) |
| Seal Beach to Clifton (Colorado) | 648.08 mi (1,042.99 km) |
| Seal Beach to Clifton (New Jersey) | 2,436.56 mi (3,921.27 km) |
| Seal Beach to Clinton (Iowa) | 1,610.26 mi (2,591.46 km) |
| Seal Beach to Clinton (Maryland) | 2,299.98 mi (3,701.46 km) |
| Seal Beach to Clinton (Mississippi) | 1,604.03 mi (2,581.43 km) |
| Seal Beach to Clinton (Utah) | 607.01 mi (976.89 km) |
| Seal Beach to Clive (Iowa) | 1,427.91 mi (2,298.00 km) |
| Seal Beach to Cloquet (Minnesota) | 1,608.01 mi (2,587.84 km) |
