Arecibo is located in Puerto Rico (Arecibo Barrio-Pueblo) and time zone America/Puerto_Rico.
Places nearby are Hatillo, Camuy and Barceloneta.
Bayamón is 46 km away, San Juan is 49 km away and Guaynabo is 50 km away as the crow flies.
Distances from Arecibo to the most important cities in Puerto Rico and the world.
18.4724500°
-66.7157300°
City and municipality in Puerto Rico
https://en.wikipedia.org/wiki/Arecibo,_Puerto_RicoFormer radio telescope in Puerto Rico
https://en.wikipedia.org/wiki/Arecibo_TelescopeRadio observatory in Arecibo, Puerto Rico
https://en.wikipedia.org/wiki/Arecibo_Observatory