How far is the nearest black hole from Earth?

Here is my question: How far away is the closest black hole? The closest ... These black holes have so far only been seen when they are in close contact with another star which is orbiting around them (well really they orbit each other). ... As of now the closest known one is thought to lie at about 1,600 light years from Earth. read more

That puts it relatively nearby to Earth, where the distance to the center of the galaxy is about 26,000 light-years, and the nearest star beyond the sun is a mere 4.2 light-years away. The more accurate distance measurement will enable scientists to paint a better picture of how black holes evolve, the team says. read more

The next closest black hole is the classic Cygnus X-1, which is about 6,000 light-years away. It has about 15 times the mass of the Sun, and once again, it’s in a binary system. read more