To 11 ports; the busiest crossings are to Tcharo (an hour and a half, once a week), Ruarwe (3 hours, once a week), Chilumba (3 hours, once a week), Usisya (4½ hours, once a week), Nkhata Bay (8½ hours, once a week), Chizumulu (23½ hours, once a week), Likoma (27 hours, once a week) and Nkhotakota (40 hours, once a week).