For a ship this size, I'm guessing that you need to factor in at least 1/2 day at each end coming and going from port, possibly a full day. It's likely that cru

For a ship this size, I'm guessing that you need to factor in at least 1/2 day at each end coming and going from port, possibly a full day. It's likely that cruising speed only matters for total number of days minus 2 regardless of trip distance.