| Humacao to Cullman (Alabama) | 1,703.60 mi (2,741.68 km) |
| Humacao to Culpeper (Virginia) | 1,583.80 mi (2,548.89 km) |
| Humacao to Culver City (California) | 3,401.91 mi (5,474.84 km) |
| Humacao to Cumberland (Maryland) | 1,674.69 mi (2,695.16 km) |
| Humacao to Cupertino (California) | 3,626.33 mi (5,836.01 km) |
| Humacao to Cutler Bay (Florida) | 1,061.61 mi (1,708.50 km) |
| Humacao to Cutlerville (Michigan) | 2,063.62 mi (3,321.07 km) |
| Humacao to Cuyahoga Falls (Ohio) | 1,841.61 mi (2,963.78 km) |
| Humacao to Cypress (California) | 3,380.32 mi (5,440.10 km) |
| Humacao to Cypress Gardens (Florida) | 1,214.67 mi (1,954.83 km) |
| Humacao to Cypress Lake (Florida) | 1,178.07 mi (1,895.91 km) |
| Humacao to D'Iberville (Mississippi) | 1,678.83 mi (2,701.81 km) |
| Humacao to Dakota Ridge (Colorado) | 2,770.32 mi (4,458.41 km) |
| Humacao to Dale City (Virginia) | 1,576.62 mi (2,537.33 km) |
| Humacao to Dallas (Georgia) | 1,600.95 mi (2,576.48 km) |
