Born on Guam, live in Portland OR - 5,687 miles.
Let’s see who lives the closest and who lives the farthest. 
Born in Dallas, currently live in Austin. So, not far at all.
I am guessing that any Doper who lives around 12,450 miles from birth home would win, since it would be mathematically impossible to be further than that.
309 miles, according to Google maps. I’ve lived all my life within New York state.
Born in Arcadia, CA; currently live in Beaverton, OR. About 1000 miles.
From my current home address to the hospital I was born in the shortest driving distance, according to Google Maps, is 3240 km.
A mere 132 miles, most approximately. The hospital where I was born has since been torn down. I know the town, but not exact address of where I was born.
Only 2042 miles.
9,402 miles.
Thats Fond du Lac WI to Cebu, Philippines
Born in New York City, live in Panama City, 2,200 miles.
However, I once lived in Wellington, New Zealand, which is 8,952 miles.
I live about 10 miles from the hospital where I was born. For years in the 80s and 90s, I lived about 2 miles from it.
15,996 km or 9902 miles according to this site. Detroit, Michigan, USA to Bendigo, Victoria, Australia.
Not quite 550 miles “as the crow flies”, 650-ish rail miles, 680 road miles.
As the crow flies, or driving? Google Maps gives me 3,050 as driving distance, but it’s apparently only 2,500 as the crow flies.
ETA: I’m suggesting people use the latter, as the former will give inconsistent results depending on where, and whether, roads exist between the two places.
I currently live about 3 miles from the hospital where I was born, which no longer exists.
1831 miles, as the crow flies (San Jose, CA to Brookfield, IL).
I only lived in San Jose for three months. As I noted in a different thread here the other day, other than those first three months of my life, I’ve always lived within 75 miles of the western shore of Lake Michigan.
About 7 miles from a hospital on the west side of Chicago (still there sixty years later) to my current neighborhood on the north side of Chicago. But I’ve lived many places much farther away in between.
2,758 miles. Born on one coast (well, not ON the coast), live on the other (pretty close to an actual coast).
Sorry-Just the distance from then to now. 
6,958 miles using the site @galen_ubal used, between Quezon City, Philippines and San Francisco.
10200 miles. Born in Cape Town, South Africa; currently living in Bellevue, WA.