| Holtsville to Cloverleaf (Texas) | 1,455.52 mi (2,342.43 km) |
| Holtsville to Cloverly (Maryland) | 240.30 mi (386.73 km) |
| Holtsville to Clovis (California) | 2,496.07 mi (4,017.04 km) |
| Holtsville to Clovis (New Mexico) | 1,698.30 mi (2,733.15 km) |
| Holtsville to Clute (Texas) | 1,498.74 mi (2,411.99 km) |
| Holtsville to Coachella (California) | 2,395.96 mi (3,855.93 km) |
| Holtsville to Coalinga (California) | 2,546.60 mi (4,098.36 km) |
| Holtsville to Coamo (Puerto Rico) | 1,620.21 mi (2,607.48 km) |
| Holtsville to Coatesville (Pennsylvania) | 156.82 mi (252.37 km) |
| Holtsville to Cockeysville (Maryland) | 210.49 mi (338.74 km) |
| Holtsville to Cocoa (Florida) | 963.65 mi (1,550.85 km) |
| Holtsville to Cocoa Beach (Florida) | 963.18 mi (1,550.10 km) |
| Holtsville to Coconut Creek (Florida) | 1,083.98 mi (1,744.49 km) |
| Holtsville to Coeur d'Alene (Idaho) | 2,186.02 mi (3,518.07 km) |
| Holtsville to Cohoes (New York) | 139.72 mi (224.85 km) |
