The duration of sightseeing tours in Utrecht can vary, but most are thoughtfully designed to fit into a half-day schedule. Typically, a comprehensive audio-guided walking tour can take anywhere from 1 to 3 hours, offering a leisurely pace to take in all the sights and sounds. Certain thematic tours, which delve deeper into specific historical or cultural narratives, can extend up to 4 hours. Tour participants have the flexibility to pause and resume the self-guided tours at their convenience, making the experience customizable to their own pace and interests.