| Holt to Commerce (California) | 1,903.44 mi (3,063.29 km) |
| Holt to Commerce City (Colorado) | 1,069.71 mi (1,721.53 km) |
| Holt to Compton (California) | 1,910.64 mi (3,074.87 km) |
| Holt to Comstock Park (Michigan) | 64.41 mi (103.66 km) |
| Holt to Concord (California) | 1,983.94 mi (3,192.84 km) |
| Holt to Concord (Missouri) | 418.04 mi (672.77 km) |
| Holt to Concord (New Hampshire) | 656.74 mi (1,056.92 km) |
| Holt to Concord (North Carolina) | 542.52 mi (873.10 km) |
| Holt to Conneaut (Ohio) | 208.44 mi (335.45 km) |
| Holt to Connersville (Indiana) | 208.56 mi (335.65 km) |
| Holt to Conroe (Texas) | 1,044.18 mi (1,680.44 km) |
| Holt to Converse (Texas) | 1,186.41 mi (1,909.33 km) |
| Holt to Conway (Arkansas) | 674.41 mi (1,085.35 km) |
| Holt to Conway (Florida) | 993.50 mi (1,598.89 km) |
| Holt to Conway (South Carolina) | 676.74 mi (1,089.11 km) |
