Many years ago, worked with a guy (non-military) who could not leave the city limits. (Small city, I might add).
It was pretty common knowledge among his co-workers, and never caused any problem with his competence or job performance.
Never knew what happened if he attempted to do that, but eventually he
was able to overcome the problem.
Hang in there - and consider the suggestions from other sufferers.
With all the military PTSD, there must be some forums for same - with solutions that might apply to you also.
.