The duration of an Antigua rum distillery tour can vary depending on the distillery and the tour package you choose. Typically, a rum distillery tour in Antigua lasts between 1 and 2 hours. Some tours may be shorter or longer, depending on the activities involved, such as tastings, educational sessions, or visits to other parts of the distillery. It's always a good idea to check with the distillery beforehand to confirm the length of the tour and what it includes.