Where are you going? Away from here/you "away" is a description of being remote, distanced from something or someone it is all about the place being remote, at a distance Get away from the rabid dog. Make yourself distant from the dog. away from my desk, please leave a message away with you, rascal away from me, this instant Departed from is all about the movement departed means having left, moved away from . He departed in the night to skip the horrific goodbyes. He departed from the main train station. - That's the port, terminal he chose to use for his trip away. "The departed" usually means people who have died. Guys, move away from commenting and towards answering. It allows people to up-vote your input and excellent responses. It allows the question to be "resolved" and makes it more obvious that there is no reason to revisit it as if it still needed answering.

Needs context. Fitting in what sentence structure. Also need people who answer instead of comment. :)

Departed from means a more formal and permanent leaving process. For example, at an airport you can depart from terminal 1 or you can depart from a career. Away from is not a complete clause. You would have to add another word in front, for example ‘get away from that dog!’ Or ‘I am going away for a holiday’. It usually signifies a more informal leaving.

"Away from" implies apart from, but can imply a return "departed from" implies the subject or object has left. Departed can also imply mortality or death e.g. I will be away from the computer from 9-12pm. I will depart for the airport momentarily. He has departed from this world (never to return).