Canton is a city on Earth, located in the state of Ohio, approximately 60 miles south of Cleveland.
Canton was considered as an alternate location for the Millennium Gate before Portage Creek was ultimately selected. (VOY episode: "11:59")
While temporally displaced to 2045, Lee Kelso stayed for a time in and near Canton. (TOS novel: Strangers from the Sky)
A man from the city once built a ball of string several meters in diameter. Captain Jonathan Archer related this fact during his first encounter with the Andorian Shran. (ENT episode: "The Andorian Incident")