Well I'd never have guessed 219! Makes me wonder what you have in those 219 characters.
Trim removes spaces from the ends of a text string but AFAIK doesn't remove other non-printable characters. The strange thing is that you can't normally have spaces at the end of a string.
Anyway you now have a solution which is the main thing.
One more thing. If its acceptable to do so, you could run an update query on the path field and trim out those 219 spaces.