I didn't make the first move, as soon as I finished 6th form my parents sold the house and moved from Saffron walden to Vienna, so technically it was then moving away from me
But, moved to Edinburgh for uni for 5 years, spent a year in Farnborough, now been in Taiwan for 5 years. I've never checked exactly how far away that is from my mum now, but it's not exactly down the road.
Edit: According to Google, 9,757km.