The phrase "journey to the haunted cave" suggests a story or adventure, but without specific context, it's hard to determine the journey's length. In many narratives, such journeys can be depicted as long and treacherous, involving various obstacles, challenges, and character development. For example, in folklore or horror stories, the journey often serves to build suspense and set the stage for the eerie experiences that await.
If you provide more context or specify a particular story or setting, I could give a more detailed answer about the journey's length or significance!