Earth Sandwich / City antipodes / Omsk
Antipode finder · Russia
The antipode of
Omsk.
Draw a straight line from Omsk (54.99° N, 73.37° E) through the centre of the Earth and it comes out at 54.99° S, 106.63° W, in the South Pacific Ocean, 1,732 km from the nearest dry land, off the coast of Antarctica. The other slice of an Earth sandwich would sink.
- Omsk
- 54.99° N, 73.37° E · about 120 m above sea level · 1,172,070 people
- Antipode
- 54.99° S, 106.63° W
- What is there
- The South Pacific Ocean; the sea floor there lies about 4,120 m below the surface
- Nearest dry land
- 1,732 km from the antipode, on the coast of Antarctica
- Nearest town
- Puerto Natales, Chile · 2,270 km from the antipode
- Nearest big city
- Santiago · 3,667 km from the antipode
- Sandwich verdict
- SOGGY the other slice lands in open water
- Nearest exact spot
- 2,085 km away, 33 km from Ust’-Ordynskiy, Russia ⇄ 192 km from Puerto Natales, Chile
Can you make an Earth sandwich from Omsk?
No, not from Omsk itself. The other slice would land in the South Pacific Ocean, 1,732 km from the nearest dry land (Antarctica), where the sea floor lies about 4,120 m below the surface. Boats do not count (Sandwich Law § 1.3).
The nearest place from which an exact Earth sandwich is possible is 2,085 km from Omsk, 33 km from Ust’-Ordynskiy, Russia. Its other slice would go down 192 km from Puerto Natales, 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.