Earth Sandwich / City antipodes / Mwanza
Antipode finder · Tanzania
The antipode of
Mwanza.
Draw a straight line from Mwanza (2.52° S, 32.90° E) through the centre of the Earth and it comes out at 2.52° N, 147.10° W, in the North Pacific Ocean, 1,122 km from the nearest dry land, off the coast of Kiribati. The other slice of an Earth sandwich would sink.
- Mwanza
- 2.52° S, 32.90° E · about 1,160 m above sea level · 1,104,521 people
- Antipode
- 2.52° N, 147.10° W
- What is there
- The North Pacific Ocean; the sea floor there lies about 4,600 m below the surface
- Nearest dry land
- 1,122 km from the antipode, on the coast of Kiribati
- Nearest town
- Banana Village, Kiribati · 1,142 km from the antipode
- Nearest big city
- Tijuana · 4,580 km from the antipode
- Sandwich verdict
- SOGGY the other slice lands in open water
- Nearest exact spot
- 1,142 km away, 208 km from Lodja, Democratic Republic of the Congo ⇄ near Banana, Kiribati
Can you make an Earth sandwich from Mwanza?
No, not from Mwanza itself. The other slice would land in the North Pacific Ocean, 1,122 km from the nearest dry land (Kiribati), where the sea floor lies about 4,600 m below the surface. Boats do not count (Sandwich Law § 1.3).
The nearest place from which an exact Earth sandwich is possible is 1,142 km from Mwanza, 208 km from Lodja, Democratic Republic of the Congo. Its other slice would go down 7 km from Banana, Kiribati.
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.