To 10 ports; the busiest crossings are to Qeqertarsuatsiaat (7¾ hours, three times a week, early March to early January), Nuuk (17 hours, three times a week, early March to early January), Maniitsoq (39½ hours, three times a week, early March to early January), Kangaamiut (43½ hours, three times a week, early March to early January), Sisimiut (2 days, three times a week, early March to early January), Arsuk (6¾ hours, twice a week, early March to early January), Qaqortoq (16 hours, twice a week, early March to early January) and Aasiaat (2½ days, twice a week, late April to early January).