If you’ve ever looked at a world map and assumed that heading directly south from the southeastern U.S. would land you somewhere in South America, you’re not alone. It seems obvious. After all, Atlanta is in the southern United States—so shouldn’t going straight south eventually take you to Brazil or Colombia?
Here’s the twist:
👉 If you go directly south from Atlanta, Georgia, you’ll completely miss South America.
Let’s break down why.
🌎 The Illusion of the Map
Most of us grow up looking at flat maps—especially the Mercator projection, which stretches and distorts landmasses for easier navigation. On these maps, South America often appears almost directly beneath the eastern U.S.
But the Earth is a sphere, and spherical geometry plays tricks on our perception of what’s “directly south.”
🧭 What Actually Lies South of Atlanta?
Atlanta sits at about 33.75° N latitude and 84.39° W longitude. If you draw a straight line due south (following the same longitude), here’s what you’d actually hit:
- Gulf of Mexico
- The northern tip of the Yucatán Peninsula (Mexico)
- Parts of Central America (Guatemala, Honduras, Nicaragua)
- The Pacific Ocean
You never cross into South America on this route. Why? Because South America lies east of this path. The easternmost edge of Brazil reaches as far as 34°W—a full 50 degrees east of Atlanta’s longitude.
📍 So Where Is South America?
To reach South America from Atlanta, you’d need to travel southeast, not due south.
For example:
- Miami, Florida, sits farther east than Atlanta and is more directly in line with the Caribbean and parts of northern South America.
- But from Atlanta, your southern path takes you through Central America, not the continent you’d expect.
🤯 Geography vs. Intuition
This mind-bending detail is a great reminder of how our assumptions about geography can be shaped by distorted visuals and flat maps. On a globe:
- Longitude lines converge at the poles.
- Direction and distance shift with curvature.
- What looks like “down” on a map may not be “south” in reality.
🗺️ A Fun Way to Visualize It
Want to see this in action? Try using Google Earth or a globe to trace a line directly south from Atlanta—you’ll see it curve away from South America entirely.
Or better yet, give this fact as a geography trivia question:
“If you go straight south from Atlanta, which continent will you hit?”
Most people will guess South America—and they’ll be wrong.
✅ The Takeaway
The Earth isn’t flat, and neither is our sense of direction. Geography is full of surprises, and this one is a perfect example of why looking at the world differently can reveal some truly fascinating truths.
Fun Fact: The easternmost tip of Brazil is actually farther east than almost every point in North America—even New York!