| Oceanside to Cloverleaf (Texas) | 1,322.80 mi (2,128.85 km) |
| Oceanside to Cloverly (Maryland) | 2,265.92 mi (3,646.65 km) |
| Oceanside to Clovis (California) | 282.87 mi (455.23 km) |
| Oceanside to Clovis (New Mexico) | 813.83 mi (1,309.74 km) |
| Oceanside to Clute (Texas) | 1,325.35 mi (2,132.95 km) |
| Oceanside to Coachella (California) | 74.48 mi (119.87 km) |
| Oceanside to Coalinga (California) | 264.52 mi (425.71 km) |
| Oceanside to Coamo (Puerto Rico) | 3,306.12 mi (5,320.69 km) |
| Oceanside to Coatesville (Pennsylvania) | 2,326.51 mi (3,744.16 km) |
| Oceanside to Cockeysville (Maryland) | 2,284.69 mi (3,676.85 km) |
| Oceanside to Cocoa (Florida) | 2,183.09 mi (3,513.34 km) |
| Oceanside to Cocoa Beach (Florida) | 2,192.24 mi (3,528.07 km) |
| Oceanside to Coconut Creek (Florida) | 2,265.66 mi (3,646.23 km) |
| Oceanside to Coeur d'Alene (Idaho) | 1,000.78 mi (1,610.60 km) |
| Oceanside to Cohoes (New York) | 2,434.67 mi (3,918.22 km) |
