It's not possible for a whole country to be located at a single point,
described by a single set of geographic coordinates.
That particular point is located in northwestern China, roughly 290 miles
southeast of Ürümqi.
Syria.
Syria.
China
This location is within the country of Turkey, specifically just north of the large town of Bozüyük in the province of Bilecik.
Russia.
Antarctica is located 0 degrees north and 40 degrees east.
Turkey
That point is in Turkey.
Albania
Syria.
Syria.
Turkey.
Turkey
Albania
China
Since California is located in USA, the nearest country east of USA and at 40 degrees north latitude is Portugal.
Japan