 What is the maximum distance of CAT6? CAT6 maximum distance is based on the same distance of all structured cabling categories. Regardless of category all structured cabling is ratified on its performance over a 90 meters permanent link. This then allows for 5 meters CAT6 patch leads at each end. In addition a 100 meters direct link is permitted. Furthermore at 90 meters CAT6 is capable of transmitting 1 gigabit ethernet. In some cases and dependent on manufacturer CAT6 cables are capable of 10 gigabit ethernet up to 55 meters.