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.
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.
The question does not specify whether the longitude is East of West. However, in the first case the location is some 400 km off the nearest landfall (Madagascar) and in the latter case it is more than 500 kilometres from the nearest landfall!
30 S, 42 W is in the South Atlantic off the coast of southern Brazil.
30 S, 42 E is in the Indian ocean between Madagascar and South Africa.
By the time that air reaches 30o north and 30o south, the air is dry so all around the world at this latitude there are deserts
That point is in a forested area in northeastern Argentina. It's about 15.3 km west
of Highway-1, and 19.3 km southwest of the center of the town of Alejandra.
No point on Earth has both a north and a south latitude,
except points on the equator, where the latitude is zero.
manaus is 3 degrees south and 60 degrees west
Argentina
That point currently resides in northeastern Argentina.
0 degrees and 60 degrees East
It depends where you are
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.
manaus is 3 degrees south and 60 degrees west
It is Antarctica which can range from 60 to 90 degrees south and 180 degrees west to 175 degrees east.
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
That point currently resides in northeastern Argentina.
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.