The phrase "where has someone/something gotten to?" implies that someone or something has disappeared or is lost. There are several synonyms for this phrase that can be used to ask about the whereabouts of someone or something. Some of these synonyms include "where is someone/something?", "where could someone/something be?", and "where did someone/something go?" Similarly, you can use the phrase "where have they gone?" or "where have they disappeared to?" to express the same sentiment. Whether you are searching for a lost item or trying to locate a missing person, these synonyms can help you ask the right question.