| Holt to Clemson (South Carolina) | 557.56 mi (897.31 km) |
| Holt to Clermont (Florida) | 987.38 mi (1,589.04 km) |
| Holt to Cleveland (Mississippi) | 700.36 mi (1,127.13 km) |
| Holt to Cleveland (Ohio) | 166.90 mi (268.60 km) |
| Holt to Cleveland (Tennessee) | 515.75 mi (830.02 km) |
| Holt to Cleveland Heights (Ohio) | 171.03 mi (275.24 km) |
| Holt to Cliffside Park (New Jersey) | 557.55 mi (897.29 km) |
| Holt to Clifton (Colorado) | 1,270.02 mi (2,043.91 km) |
| Holt to Clifton (New Jersey) | 548.25 mi (882.33 km) |
| Holt to Clinton (Iowa) | 297.19 mi (478.27 km) |
| Holt to Clinton (Maryland) | 481.18 mi (774.38 km) |
| Holt to Clinton (Mississippi) | 778.38 mi (1,252.68 km) |
| Holt to Clinton (Utah) | 1,413.77 mi (2,275.24 km) |
| Holt to Clive (Iowa) | 479.90 mi (772.32 km) |
| Holt to Cloquet (Minnesota) | 481.76 mi (775.31 km) |
