| Guaynabo to Cullman (Alabama) | 1,678.70 mi (2,701.61 km) |
| Guaynabo to Culpeper (Virginia) | 1,561.21 mi (2,512.52 km) |
| Guaynabo to Culver City (California) | 3,377.30 mi (5,435.24 km) |
| Guaynabo to Cumberland (Maryland) | 1,652.15 mi (2,658.87 km) |
| Guaynabo to Cupertino (California) | 3,601.48 mi (5,796.02 km) |
| Guaynabo to Cutler Bay (Florida) | 1,036.89 mi (1,668.71 km) |
| Guaynabo to Cutlerville (Michigan) | 2,040.18 mi (3,283.35 km) |
| Guaynabo to Cuyahoga Falls (Ohio) | 1,818.66 mi (2,926.85 km) |
| Guaynabo to Cypress (California) | 3,355.74 mi (5,400.53 km) |
| Guaynabo to Cypress Gardens (Florida) | 1,189.71 mi (1,914.65 km) |
| Guaynabo to Cypress Lake (Florida) | 1,153.29 mi (1,856.04 km) |
| Guaynabo to D'Iberville (Mississippi) | 1,653.93 mi (2,661.74 km) |
| Guaynabo to Dakota Ridge (Colorado) | 2,745.33 mi (4,418.19 km) |
| Guaynabo to Dale City (Virginia) | 1,554.29 mi (2,501.39 km) |
| Guaynabo to Dallas (Georgia) | 1,576.14 mi (2,536.55 km) |
