| Guaynabo to Carrollwood (Florida) | 1,235.40 mi (1,988.19 km) |
| Guaynabo to Carson (California) | 3,368.28 mi (5,420.73 km) |
| Guaynabo to Carson City (Nevada) | 3,492.36 mi (5,620.41 km) |
| Guaynabo to Carteret (New Jersey) | 1,607.91 mi (2,587.67 km) |
| Guaynabo to Cartersville (Georgia) | 1,585.02 mi (2,550.85 km) |
| Guaynabo to Carthage (Missouri) | 2,143.20 mi (3,449.14 km) |
| Guaynabo to Cary (Illinois) | 2,097.07 mi (3,374.90 km) |
| Guaynabo to Cary (North Carolina) | 1,430.79 mi (2,302.63 km) |
| Guaynabo to Casa de Oro-Mount Helix (California) | 3,288.16 mi (5,291.78 km) |
| Guaynabo to Casa Grande (Arizona) | 2,988.84 mi (4,810.07 km) |
| Guaynabo to Casas Adobes (Arizona) | 2,940.14 mi (4,731.70 km) |
| Guaynabo to Cascades (Virginia) | 1,579.55 mi (2,542.04 km) |
| Guaynabo to Casper (Wyoming) | 2,885.89 mi (4,644.40 km) |
| Guaynabo to Casselberry (Florida) | 1,194.95 mi (1,923.09 km) |
| Guaynabo to Castaic (California) | 3,393.50 mi (5,461.31 km) |
