You may be thinking of the Drake Passage.
No continent connects to Antarctica. The closest continent is South America, which is about 600 miles away from the Antarctic Peninsula.
Cape Horn is in Chile, but it is at the southern most tip of the South America, right near Antarctica.
The Strait of Magellan is located in South America, separating the mainland from the island of Tierra del Fuego. It connects the Atlantic Ocean to the Pacific Ocean, providing a navigable route around the southern tip of the continent.
columbia
North America connects to South America on the north side of South America, nothing connects below
North America South America Antarctica
Magellan strait
The narrow body of water that separates Tierra del Fuego from South America is The Strait of Magellan. The strait also separates other islands from South America.
what separates the south America from Antarctica
Antarctica is south of South America, in both the southeast and southwest directions.
South America
South America is the closest continent or major land mass to Antarctica.