| Holt to Cadillac (Michigan) | 119.63 mi (192.53 km) |
| Holt to Caguas (Puerto Rico) | 2,004.36 mi (3,225.71 km) |
| Holt to Cahokia (Illinois) | 408.64 mi (657.64 km) |
| Holt to Calabasas (California) | 1,924.94 mi (3,097.90 km) |
| Holt to Caldwell (Idaho) | 1,611.06 mi (2,592.75 km) |
| Holt to Caledonia (Wisconsin) | 170.15 mi (273.83 km) |
| Holt to Calera (Alabama) | 668.43 mi (1,075.73 km) |
| Holt to Calexico (California) | 1,815.16 mi (2,921.21 km) |
| Holt to Calhoun (Georgia) | 563.58 mi (907.00 km) |
| Holt to California (Maryland) | 517.82 mi (833.34 km) |
| Holt to California City (California) | 1,852.48 mi (2,981.28 km) |
| Holt to Callaway (Florida) | 865.99 mi (1,393.68 km) |
| Holt to Calumet City (Illinois) | 170.25 mi (274.00 km) |
| Holt to Calverton (Maryland) | 466.99 mi (751.54 km) |
| Holt to Camano (Washington) | 1,859.73 mi (2,992.94 km) |
