| Hertford to Clermont (Florida) | 4,351.42 mi (7,002.94 km) |
| Hertford to Cleveland (Mississippi) | 4,455.84 mi (7,170.98 km) |
| Hertford to Cleveland (Ohio) | 3,729.39 mi (6,001.87 km) |
| Hertford to Cleveland (Tennessee) | 4,151.82 mi (6,681.70 km) |
| Hertford to Cleveland Heights (Ohio) | 3,723.23 mi (5,991.96 km) |
| Hertford to Cliffside Park (New Jersey) | 3,451.47 mi (5,554.61 km) |
| Hertford to Clifton (Colorado) | 4,828.46 mi (7,770.66 km) |
| Hertford to Clifton (New Jersey) | 3,456.57 mi (5,562.82 km) |
| Hertford to Clinton (Iowa) | 4,040.08 mi (6,501.89 km) |
| Hertford to Clinton (Maryland) | 3,662.20 mi (5,893.73 km) |
| Hertford to Clinton (Mississippi) | 4,510.63 mi (7,259.16 km) |
| Hertford to Clinton (Utah) | 4,834.10 mi (7,779.73 km) |
| Hertford to Clive (Iowa) | 4,182.65 mi (6,731.32 km) |
| Hertford to Cloquet (Minnesota) | 3,892.82 mi (6,264.89 km) |
| Hertford to Cloverleaf (Texas) | 4,833.56 mi (7,778.86 km) |
