| Holt to Clarksdale (Mississippi) | 668.57 mi (1,075.97 km) |
| Holt to Clarkston (Georgia) | 610.29 mi (982.17 km) |
| Holt to Clarksville (Indiana) | 305.44 mi (491.55 km) |
| Holt to Clarksville (Tennessee) | 445.37 mi (716.75 km) |
| Holt to Clawson (Michigan) | 70.59 mi (113.60 km) |
| Holt to Clay (Alabama) | 628.31 mi (1,011.16 km) |
| Holt to Clayton (California) | 1,981.11 mi (3,188.29 km) |
| Holt to Clayton (Missouri) | 410.57 mi (660.75 km) |
| Holt to Clayton (North Carolina) | 581.80 mi (936.31 km) |
| Holt to Clayton (Ohio) | 191.86 mi (308.77 km) |
| Holt to Clearfield (Utah) | 1,412.24 mi (2,272.78 km) |
| Holt to Clearlake (California) | 1,992.02 mi (3,205.84 km) |
| Holt to Clearwater (Florida) | 1,017.92 mi (1,638.18 km) |
| Holt to Cleburne (Texas) | 999.64 mi (1,608.77 km) |
| Holt to Clemmons (North Carolina) | 507.39 mi (816.57 km) |
