The antonyms for the phrase "regional link" are numerous and depend on the context in which it is used. However, some possible antonyms which may apply to various fields are isolation, disconnection, segregation, division, separation, detachment, and exclusion. In business or trade, global or international associations or connections could be considered antonyms. In geography, distance or remoteness may be antonyms, while in transport, obstruction or impediment may apply. Therefore, the antonyms for "regional link" can vary widely depending on the perspective and context in which it is used.