Shipping a container from Rotterdam (NL) to Karleby lasts about 6 days. The total distance is approx. 1300 nautical miles (nmi). 1 NM is about 1.85 km. The total distance is 2408 km. When you export something, there are 2 important values, ETD and ETA. ETD is about the expected departure time of the ship. ETA is the date that the shipment arrives in the destination country. The actual shipping time depends on displacement of the vessel, weather and berth availability.