2700 km or 1677 miles
It's 257 miles or 414 km from Buenos Aires to Mar Del Plata
about 2200 miles
1,936 miles
There are about 6309.923 miles between Rio de Janeiro and Los Angeles.
Rio de Janeiro - Memphis, TN 5015 MI/ 8071 KM
It's 5240 miles or 8433 km
Its 9395.1 miles of distance!
About 6 hours by plane.
The capital that is very far west and a tiny bit north of Buenos Aires is Santiago, Chile.
No countries. Rio de Janeiro is on the Atlantic Coast, Eastern Brazil, very far from Brazil's neighboring countries. If you are in Rio de Janeiro, you have to cross other Brazilian states to arrive at other countries (Paraguay, Argentina and Uruguay are the closest).
Depends where you are! Some parts of Rio are on the coasts, and parts are more inland. So.
European