I'm not sure if it's a "city" or not ... but the closest populated place to that point is Alejandra, Santa Fe, Argentina, a town of about 4000 people. In terms of cities you might reasonably have heard of, it's about equidistant from Buenos Aires, Argentina and Asuncion, Paraguay, but it's not particularly close to either of them.
Argentina
That point currently resides in northeastern Argentina.
0 degrees and 60 degrees East
The coordinates 35 degrees south latitude and 60 degrees west longitude point to the city of Buenos Aires, the capital of Argentina.
It depends where you are
South America is located at 30 degrees south and 60 degrees west.
There is no entire country that occupies the space at 60 degrees west and 30 degrees south. This is, however, a point of land that is located in Argentina.
That point is in South Africa, roughly 60 miles west-southwest of the center of Durban.
Their difference is 30 degrees of latitude.
South America
Argentina
10 degrees south 60 degrees east
The coordinates 20 degrees south and 60 degrees west point to the continent of South America. This location is in eastern Brazil, near the city of Salvador.
That point is in northern Argentina, about 140 miles west of the point where the borders of Argentina, Brazil, and Uruguay meet.
no Paraguay is. =)
That point is in Argentina, about 75 miles east northeast of San Cristobal.
That point currently resides in northeastern Argentina.