| Seal Beach to Candler-McAfee (Georgia) | 1,933.05 mi (3,110.95 km) |
| Seal Beach to Caño Martin Peña (Puerto Rico) | 3,359.23 mi (5,406.16 km) |
| Seal Beach to Cañon City (Colorado) | 786.25 mi (1,265.34 km) |
| Seal Beach to Canóvanas (Puerto Rico) | 3,369.88 mi (5,423.30 km) |
| Seal Beach to Canton (Georgia) | 1,915.06 mi (3,082.00 km) |
| Seal Beach to Canton (Illinois) | 1,605.77 mi (2,584.25 km) |
| Seal Beach to Canton (Mississippi) | 1,618.54 mi (2,604.80 km) |
| Seal Beach to Canton (Ohio) | 2,059.81 mi (3,314.94 km) |
| Seal Beach to Canyon (Texas) | 924.09 mi (1,487.17 km) |
| Seal Beach to Canyon Lake (California) | 46.73 mi (75.20 km) |
| Seal Beach to Canyon Lake (Texas) | 1,191.52 mi (1,917.57 km) |
| Seal Beach to Cape Coral (Florida) | 2,197.82 mi (3,537.04 km) |
| Seal Beach to Cape Girardeau (Missouri) | 1,615.60 mi (2,600.06 km) |
| Seal Beach to Carbondale (Illinois) | 1,634.26 mi (2,630.09 km) |
| Seal Beach to Carlisle (Pennsylvania) | 2,278.65 mi (3,667.13 km) |
