| Guaynabo to Cadiz | 3,812.04 mi (6,134.89 km) |
| Guaynabo to Calafell | 4,241.53 mi (6,826.08 km) |
| Guaynabo to Calahorra | 4,061.33 mi (6,536.09 km) |
| Guaynabo to Calasparra | 4,066.99 mi (6,545.19 km) |
| Guaynabo to Calatayud | 4,075.47 mi (6,558.83 km) |
| Guaynabo to Caldas de Montbuy | 4,272.48 mi (6,875.90 km) |
| Guaynabo to Caldas de Reyes | 3,724.90 mi (5,994.65 km) |
| Guaynabo to Calella | 4,298.14 mi (6,917.19 km) |
| Guaynabo to Callosa de Segura | 4,111.53 mi (6,616.87 km) |
| Guaynabo to Calpe | 4,161.37 mi (6,697.08 km) |
| Guaynabo to Calvia | 4,292.26 mi (6,907.72 km) |
| Guaynabo to Camas | 3,829.08 mi (6,162.32 km) |
| Guaynabo to Cambados | 3,715.75 mi (5,979.93 km) |
| Guaynabo to Cambre | 3,746.88 mi (6,030.01 km) |
| Guaynabo to Cambrils | 4,214.82 mi (6,783.09 km) |
