Here are two sites which show you the opposite points (antipodes) of the earth of a given location. One is interactive, the other takes an address. http://www

Here are two sites which show you the opposite points (antipodes) of the earth of a given location. One is interactive, the other takes an address. http://www.freemaptools.com/tunnel-to-other-side-of-the-earth.htm http://www.freemaptools.com/tunnel-to-other-side-of-the-eart... http://www.antipodr.com/ http://www.antipodr.com/ There do seem to be some phone apps available as well.