| Humacao to Cibolo (Texas) | 2,184.05 mi (3,514.89 km) |
| Humacao to Cicero (Illinois) | 2,085.22 mi (3,355.84 km) |
| Humacao to Cimarron Hills (Colorado) | 2,730.08 mi (4,393.64 km) |
| Humacao to Cincinnati (Ohio) | 1,832.16 mi (2,948.57 km) |
| Humacao to Cinco Ranch (Texas) | 2,045.05 mi (3,291.19 km) |
| Humacao to Circleville (Ohio) | 1,800.91 mi (2,898.29 km) |
| Humacao to Citrus (California) | 3,373.64 mi (5,429.35 km) |
| Humacao to Citrus Heights (California) | 3,595.25 mi (5,786.00 km) |
| Humacao to Citrus Park (Florida) | 1,263.41 mi (2,033.26 km) |
| Humacao to Claiborne (Louisiana) | 1,915.20 mi (3,082.21 km) |
| Humacao to Claremont (California) | 3,363.80 mi (5,413.52 km) |
| Humacao to Claremont (New Hampshire) | 1,784.01 mi (2,871.09 km) |
| Humacao to Claremore (Oklahoma) | 2,203.87 mi (3,546.79 km) |
| Humacao to Clarksburg (Maryland) | 1,609.47 mi (2,590.19 km) |
| Humacao to Clarksburg (West Virginia) | 1,699.06 mi (2,734.37 km) |
