| Holt to Candler-McAfee (Georgia) | 616.12 mi (991.55 km) |
| Holt to Caño Martin Peña (Puerto Rico) | 1,991.94 mi (3,205.72 km) |
| Holt to Cañon City (Colorado) | 1,121.21 mi (1,804.41 km) |
| Holt to Canóvanas (Puerto Rico) | 2,000.42 mi (3,219.37 km) |
| Holt to Canton (Georgia) | 580.04 mi (933.48 km) |
| Holt to Canton (Illinois) | 318.76 mi (513.00 km) |
| Holt to Canton (Mississippi) | 756.02 mi (1,216.70 km) |
| Holt to Canton (Ohio) | 206.52 mi (332.36 km) |
| Holt to Canyon (Texas) | 1,072.00 mi (1,725.22 km) |
| Holt to Canyon Lake (California) | 1,868.81 mi (3,007.56 km) |
| Holt to Canyon Lake (Texas) | 1,164.38 mi (1,873.89 km) |
| Holt to Cape Coral (Florida) | 1,114.51 mi (1,793.63 km) |
| Holt to Cape Girardeau (Missouri) | 454.29 mi (731.10 km) |
| Holt to Carbondale (Illinois) | 420.44 mi (676.63 km) |
| Holt to Carlisle (Pennsylvania) | 415.24 mi (668.27 km) |
