That reminds me of the metro line in Oslo. We stayed in a hotel, let's call it Place A and went for a dinner to Place B. On the way back we got confused which train to take to get back and ended up splitting the group: some of us took the eastbound train, others westbound. We all ended up back at Place A nearly at the same time.

That's because the line makes a loop around the town centre:



(In case you are curious, our destination was Nydalen.)