| Humacao to Carlsbad (California) | 3,332.88 mi (5,363.75 km) |
| Humacao to Carlsbad (New Mexico) | 2,576.79 mi (4,146.95 km) |
| Humacao to Carmel (Indiana) | 1,933.72 mi (3,112.02 km) |
| Humacao to Carmichael (California) | 3,596.79 mi (5,788.48 km) |
| Humacao to Carney (Maryland) | 1,602.16 mi (2,578.43 km) |
| Humacao to Carnot-Moon (Pennsylvania) | 1,766.51 mi (2,842.92 km) |
| Humacao to Carol Stream (Illinois) | 2,102.36 mi (3,383.42 km) |
| Humacao to Carolina (Puerto Rico) | 20.37 mi (32.79 km) |
| Humacao to Carolina Forest (South Carolina) | 1,348.21 mi (2,169.73 km) |
| Humacao to Carpentersville (Illinois) | 2,118.09 mi (3,408.73 km) |
| Humacao to Carpinteria (California) | 3,467.63 mi (5,580.60 km) |
| Humacao to Carrboro (North Carolina) | 1,471.25 mi (2,367.76 km) |
| Humacao to Carroll (Iowa) | 2,374.65 mi (3,821.63 km) |
| Humacao to Carrollton (Georgia) | 1,597.94 mi (2,571.63 km) |
| Humacao to Carrollton (Texas) | 2,179.43 mi (3,507.45 km) |
