Route 110 is a 69.24-mile-long (111.43 km) southwest–northeast state route in the U.S. state of Massachusetts. Route 110’s western terminus is at a concurrency of Route 12 and Route 140 in West Boylston, and its eastern terminus is at the junction of U.S. 1 and Route 1A in Sailsbury, a few miles from the Atlantic Ocean. Route 110 provides an alternate route for the northern part (section after Route 2) of I-495.