| Hertford to Cloverly (Maryland) | 3,649.83 mi (5,873.83 km) |
| Hertford to Clovis (California) | 5,314.02 mi (8,552.08 km) |
| Hertford to Clovis (New Mexico) | 4,892.71 mi (7,874.05 km) |
| Hertford to Clute (Texas) | 4,882.28 mi (7,857.26 km) |
| Hertford to Coachella (California) | 5,381.67 mi (8,660.96 km) |
| Hertford to Coalinga (California) | 5,373.18 mi (8,647.29 km) |
| Hertford to Coamo (Puerto Rico) | 4,235.19 mi (6,815.88 km) |
| Hertford to Coatesville (Pennsylvania) | 3,562.62 mi (5,733.49 km) |
| Hertford to Cockeysville (Maryland) | 3,617.97 mi (5,822.56 km) |
| Hertford to Cocoa (Florida) | 4,319.16 mi (6,951.02 km) |
| Hertford to Cocoa Beach (Florida) | 4,315.78 mi (6,945.57 km) |
| Hertford to Coconut Creek (Florida) | 4,400.64 mi (7,082.15 km) |
| Hertford to Coeur d'Alene (Idaho) | 4,614.56 mi (7,426.42 km) |
| Hertford to Cohoes (New York) | 3,356.44 mi (5,401.67 km) |
| Hertford to Cold Springs (Nevada) | 5,158.06 mi (8,301.10 km) |
