| Holt to Camarillo (California) | 1,940.54 mi (3,123.00 km) |
| Holt to Camas (Washington) | 1,873.26 mi (3,014.73 km) |
| Holt to Cambridge (Maryland) | 525.42 mi (845.59 km) |
| Holt to Cambridge (Massachusetts) | 682.67 mi (1,098.65 km) |
| Holt to Camden (Arkansas) | 772.12 mi (1,242.60 km) |
| Holt to Camden (New Jersey) | 523.36 mi (842.27 km) |
| Holt to Cameron Park (California) | 1,915.38 mi (3,082.50 km) |
| Holt to Camp Pendleton South (California) | 1,890.82 mi (3,042.99 km) |
| Holt to Camp Springs (Maryland) | 478.33 mi (769.80 km) |
| Holt to Camp Verde (Arizona) | 1,568.80 mi (2,524.74 km) |
| Holt to Campbell (California) | 1,999.36 mi (3,217.67 km) |
| Holt to Campbellsville (Kentucky) | 368.56 mi (593.13 km) |
| Holt to Campton Hills (Illinois) | 204.24 mi (328.70 km) |
| Holt to Canby (Oregon) | 1,888.74 mi (3,039.64 km) |
| Holt to Candelaria (Puerto Rico) | 1,988.29 mi (3,199.84 km) |
