If your remote pc has Linux, you could do it through
See here an explication of the command. You could run this command from a terminal emulator like this one.
scp -r path/to/folder user@remote-PC:/path/to/where/to/save/the/files
scp path/to/file user@remote-PC:/path/to/remote/location/where/to/save/file
-r option means recursively copy entire folder.
If your remote pc has windows, take a look at pscp.
Another way is to install ES File Explorer File Manager.
* Select the local files you wish to transfer (actions -> copy)
* In LAN section access a folder from your remote PC and paste (actions -> paste) the selected files.
* The folder from remote pc has to be shared with write permission.