| Seal Beach to Cloverleaf (Texas) | 1,369.69 mi (2,204.31 km) |
| Seal Beach to Cloverly (Maryland) | 2,293.24 mi (3,690.62 km) |
| Seal Beach to Clovis (California) | 230.99 mi (371.74 km) |
| Seal Beach to Clovis (New Mexico) | 851.87 mi (1,370.95 km) |
| Seal Beach to Clute (Texas) | 1,373.55 mi (2,210.52 km) |
| Seal Beach to Coachella (California) | 110.91 mi (178.49 km) |
| Seal Beach to Coalinga (California) | 208.54 mi (335.62 km) |
| Seal Beach to Coamo (Puerto Rico) | 3,353.29 mi (5,396.60 km) |
| Seal Beach to Coatesville (Pennsylvania) | 2,352.35 mi (3,785.75 km) |
| Seal Beach to Cockeysville (Maryland) | 2,311.39 mi (3,719.82 km) |
| Seal Beach to Cocoa (Florida) | 2,226.47 mi (3,583.16 km) |
| Seal Beach to Cocoa Beach (Florida) | 2,235.64 mi (3,597.91 km) |
| Seal Beach to Coconut Creek (Florida) | 2,311.15 mi (3,719.43 km) |
| Seal Beach to Coeur d'Alene (Idaho) | 966.12 mi (1,554.82 km) |
| Seal Beach to Cohoes (New York) | 2,456.00 mi (3,952.56 km) |
