Tunnel to the Other Side of the Earth
Have you ever wondered which part of the other side of the earth is directly below you? Find out using this map tunnelling tool.
Map Tunnelling Tool
Unlink Zoom between Map 1 and Map 2
Keep on the same latitude
Flip Map 2 Upside Down
Input the latitude and longitude of a point on the left map and see its corresponding antipode on the right map.
How to use the Map Tunnelling Tool
Drag map 1 or 2 by clicking and holding the map as you move it. When you let go and finish dragging the map the other map will then show you where about's on the earth the far end of the imaginary tunnel will be. In effect it will show you what is at the other side of the earth.
To make things easier, you can also zoom the map in and out.
You can adjust the height of the map by using the small, medium and large buttons.
You can also change the map view using the Map, Satellite and Hybrid buttons. This works independently for each map.
This is a Antipodes Map. An antipode of a point on the earth is the region on the Earth's surface which is diametrically opposite to that point. The two points which are antipodal to one another are considered to be connected by a straight line or tunnel through the centre of the Earth.
- 16th November 2021 - Bug fix
- 31st August 2021 - Bug fix - Prevent map jumping/oscillating after move
- 23rd January 2020 - Bug fix - issues when starting in Western Europe
- 6th July 2019 - Added centre cross hairs to center of both maps
- 19th November 2018 - Option to flip map2 upside down
- 15th Octber 2018 - Converted to Leaflet maps
- 20th February 2017 - Updates to UI
- 3rd May 2015 - Now displays the tunnel distance
- 14th January 2015 - New option : Keep on the same latitude
- 19th November 2014 - Added manual input by latitude / longitude or by place name
- 9th March 2014 - Update to fix bug with crosshairs not appearing on the exact centre of the map
- 11th November 2013 - Implemented Google Maps API V3
- 21st September 2009 - Removed border around maps for better fit
- 14th January 2009 - Added Unlink Zoom option
- 22nd October 2008 - Added dual control so both maps can be the "driver" and the "passenger". The nearest country also now displays for both maps
- 22nd July 2008 - Latitude and longitude for the centre of each map is now shown. Nearest Country displayed
- 29th November 2007 - Crosshairs added to each map
- 20th September 2007 - Map 2 now starts in the correct place instead of the same location as map 1 until map 1 is moved
- 16th September 2007 - Page Created
Ideas and improvements that are due to be implemented in the future. If you think of any ways of improving this tunnelling tool or spot any bugs, then please get in touch.
- Display Coordinates of cross-hairs on screen
- KML download for each of the two points for use in Google Earth
- If both maps were overlayed with transparency and one map was upside down
Comments For This Page
Rome IT is further NORTH than NYC NY
By Gulf Stream on 15th November 2022
ion the sea =(
By s on 11th August 2022
Apparently of You dig straight through Long Island, New York you'll get pretty close to Australia? Pretty interesting
By Ghostly on 19th July 2022
I have to put in latitude and longitude. I just want to put in Virginia and have it do the work for me.
By coco on 5th June 2022
On 22nd May 2022
Well done and thanks. John. From Perth. Australia.
On 19th April 2022
Something is wrong with the latitude finding. The map is showing antipodes in the Northern Hemisphere for points in the Northern Hemisphere. Longitude seems to be working correctly, though.
By Michael Seifert on 16th November 2021
This is completely wrong. Points in the northern hemisphere must always yield results in the southern hemisphere, but that is not happening.
By Gary Novosielski. on 30th September 2021
31dt August 2021 bugfix is not fixed. it still moves when zooming in and out. it went from the netherland to turkey when zooming out.
On 15th September 2021
kept jumping. useless and buggy.
By KK6VDR on 25th August 2021
Works fine but why the mercator projection
By funny_picklerick_bluehairman_f on 30th April 2021
On 25th October 2020
To answer the question "At what point on each of the main highways of
Taiwan do they cross the (virtual (antipodal)) Argentina / Paraguay
border?" What we need is an overlay!
By Dan Jacobson on 10th October 2020
Hi, its in decimal DMS, for example the Eiffel tower would be 48.8583 and 2.2944
By Free Map Tools on 25th September 2020
How do you add latitude and longitude? What format? Please include an example.
By Curious on 24th September 2020
Now it finally works. When I tried it months ago, it was wrong but now it's correct.
On 24th July 2020
Keeps jumping to other locations?
By Graham on 13th June 2020
Another visitor from the BBC article. Well done for the tool
By Sam Jackson on 26th February 2020
"How many of you came here after hearing that 2 boys made an earth sandwich using this site ? https://metro.co.uk/2020/01/20/student-makes-earth-sandwich-help-stranger-side-world-12086766/
By Sam on 20th January 2020"
On 21st January 2020
Fascinating tool. It would be very nice to see the results shown on a globe
By Steve Johnson on 21st January 2020
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