How long is the average coffee table? The average length of a coffee table or a centre table is usually between 50 to 60 inches. However, you may opt for a relatively longer coffee table to suit the space, aesthetics, and decor of your living room. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked * Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.