Earth Sandwich / City antipodes / Beijing

Antipode finder · China

The antipode of
Beijing.

Draw a straight line from Beijing (39.91° N, 116.40° E) through the centre of the Earth and it comes out at 39.91° S, 63.60° W, on dry land in Argentina, 76 km from General Conesa. An exact Earth sandwich is possible.

Two globes: one centred on Beijing, one centred on its antipode at 39.91° S, 63.60° W
Above BeijingAbove the antipode
Beijing
39.91° N, 116.40° E · about 40 m above sea level · 18,960,744 people
Antipode
39.91° S, 63.60° W
What is there
Dry land in Argentina
Nearest town
General Conesa, Argentina · 76 km from the antipode
Nearest big city
Buenos Aires · 748 km from the antipode
Sandwich verdict
EXACT land lies opposite land
Elevation bonus
+80 m (40 m here, 40 m there)

Can you make an Earth sandwich from Beijing?

Yes: an exact Earth sandwich. Beijing is one of the few large cities with dry land directly opposite it. The grid that verifies submissions rates the spot exact: put a slice down in Beijing and have a friend put one down 76 km from General Conesa, Argentina at the same UTC minute, and the whole planet is the filling. The elevation bonus would be about 80 m: Beijing sits about 40 m above sea level and the other slice about 40 m above sea level.

How this was worked out: the antipode flips the latitude and moves the longitude by 180°. Land or sea comes from the OpenStreetMap coastline the map uses; the sandwich verdict and elevations come from the verifier's 0.2° grid (Natural Earth land, ETOPO 2022 relief); water names from Natural Earth; towns and populations from GeoNames. The city's position is GeoNames' point for it; a big city's suburbs spread tens of kilometres around that point, and the figures move with them. Generated 2026-09-29.