If you're looking for alternatives to the phrase "were long," you might consider using synonyms like "extended," "protracted," or "drawn out." Other options could include "lengthy," "interminable," "endless," or "interminably long." Depending on the context in which you're writing, you might also choose phrases like "stretched out," "lingering," or "lasting for an extended period of time." Ultimately, the choice of words you use will depend on the tone and intent of your writing, so take some time to consider what synonyms work best for your particular message.