Willington is a town in Tolland County, Connecticut, United States. The town is part of the Capitol Planning Region. The population was 5,566 at the 2020 census. The Willimantic River borders the town on the west. Willington is approximately 25 miles northeast of Hartford on Interstate 84, which also provides a connection to Boston, via the Massachusetts Turnpike. Providence, RI is accessible via U.S. Route 44. Larger communities nearby include Coventry, Stafford, Tolland, and Willimantic.