To 10 ports; the busiest crossings are to Greenwich Point (3 minutes, about 24 times a day), Circular Quay (17 minutes, about 23 times a day), Balmain (6 minutes, 22 times a day), Woolwich (6 minutes, 22 times a day), Cockatoo Island (11 minutes, 22 times a day), Greenwich (Sydney) (6 minutes, about twice a day), Northwood (9 minutes, about twice a day) and Longueville (13 minutes, about twice a day).