The term "be leagues" refers to being at a great distance or being vastly different in terms of ability, performance, or achievement. Some antonyms for this term would be phrases like "be neck and neck," "be equally matched," or "be evenly balanced." These phrases signify that two or more things are closely matched in terms of their capabilities or achievements. Other antonyms for "be leagues" could include terms like "be equivalent," "be parallel," or "be on a level playing field." All these phrases imply that there is little or no difference between two or more things, either in terms of their abilities, achievements, or performance.