Strangely enough - no it isn't. Sorry Frenchie. The catch here is that the Earth is not completely spherical.
Well googled Yorkie. The furthest point from the Earth's centre is the summit of Mount Chimborazo in Ecuador. This is 6,384.4 Km. away from the centre (2 km. more than the tip of Everest) - this being due to the Equatorial bulge (that the distance around the Earth is furthest at the equator). Up until the 19th Century it was thought that Chimborazo was the highest mountain on Earth. Over to you.
Nothing can be ‘so unique’. It’s either unique or it isn’t. Irrelevant and not answering the question, but My middle name is Pedanticus