Earth Sandwich / City antipodes / Neijiang

Antipode finder · China

The antipode of
Neijiang.

Draw a straight line from Neijiang (29.58° N, 105.06° E) through the centre of the Earth and it comes out at 29.58° S, 74.94° W, in the South Pacific Ocean, 326 km from the nearest dry land, off the coast of Chile. The other slice of an Earth sandwich would sink.

Two globes: one centred on Neijiang, one centred on its antipode at 29.58° S, 74.94° W
Above NeijiangAbove the antipode
Neijiang
29.58° N, 105.06° E · about 360 m above sea level · 1,251,095 people
Antipode
29.58° S, 74.94° W
What is there
The South Pacific Ocean; the sea floor there lies about 4,200 m below the surface
Nearest dry land
326 km from the antipode, on the coast of Chile
Nearest town
Coquimbo, Chile · 350 km from the antipode
Nearest big city
Santiago · 592 km from the antipode
Sandwich verdict
SOGGY the other slice lands in open water
Nearest exact spot
326 km away, near Shijia, China ⇄ 47 km from Coquimbo, Chile

Can you make an Earth sandwich from Neijiang?

No, not from Neijiang itself. The other slice would land in the South Pacific Ocean, 326 km from the nearest dry land (Chile), where the sea floor lies about 4,200 m below the surface. Boats do not count (Sandwich Law § 1.3).

The nearest place from which an exact Earth sandwich is possible is 326 km from Neijiang, 3 km from Shijia, China. Its other slice would go down 47 km from Coquimbo, Chile.

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.