We are just minutes from Xfinity center. Without traffic 5mins with traffic maybe 15mins. There is a 3rd party vendor who offers a shuttle service to the area hotel guest that you can reserve when you check in.
It's not that far. About 20-30
Minutes. We took the shuttle over so we didn't have to pay to park and they dropped us off in front. Very nice.
Get an answer from Red Roof Inn Boston - Mansfield/Foxboro staff and past guests.