| Guaynabo to Cloverleaf (Texas) | 1,987.63 mi (3,198.77 km) |
| Guaynabo to Cloverly (Maryland) | 1,573.42 mi (2,532.18 km) |
| Guaynabo to Clovis (California) | 3,468.44 mi (5,581.91 km) |
| Guaynabo to Clovis (New Mexico) | 2,529.25 mi (4,070.44 km) |
| Guaynabo to Clute (Texas) | 1,986.18 mi (3,196.45 km) |
| Guaynabo to Coachella (California) | 3,246.50 mi (5,224.74 km) |
| Guaynabo to Coalinga (California) | 3,499.02 mi (5,631.12 km) |
| Guaynabo to Coamo (Puerto Rico) | 26.82 mi (43.16 km) |
| Guaynabo to Coatesville (Pennsylvania) | 1,600.74 mi (2,576.15 km) |
| Guaynabo to Cockeysville (Maryland) | 1,587.48 mi (2,554.81 km) |
| Guaynabo to Cocoa (Florida) | 1,156.20 mi (1,860.72 km) |
| Guaynabo to Cocoa Beach (Florida) | 1,147.21 mi (1,846.26 km) |
| Guaynabo to Coconut Creek (Florida) | 1,050.67 mi (1,690.89 km) |
| Guaynabo to Coeur d'Alene (Idaho) | 3,479.69 mi (5,600.02 km) |
| Guaynabo to Cohoes (New York) | 1,742.84 mi (2,804.82 km) |
