Dig straight down through the centre of the Earth from Philadelphia, United States of America 🇺🇸, home to about 5.49 million people, and you would surface in the Indian Ocean 🌊, at 40.0019° S, 104.8281° E. Like most of the planet, that spot is open ocean; only 66 of the 391 cities listed here have an antipode on land.
| City | Philadelphia, United States of America 🇺🇸 |
|---|---|
| City coordinates | 40.0019° N, 75.1719° W |
| Antipode coordinates | 40.0019° S, 104.8281° E |
| What is there | Indian Ocean 🌊 (open water) |
| Nearest land | Australia 🇦🇺 — 1,105 km (687 miles) away |
| Nearest town or city | Busselton, Australia — 1,171 km (728 miles) away |
| Distance straight through the Earth | 12,742 km (7,918 miles) |
Philadelphia's antipode is in open water, in the Indian Ocean 🌊. The point lies roughly 1,105 km (687 miles) south-west of the nearest coast, which belongs to Australia 🇦🇺.
The closest settlement of any size is Busselton, Australia, about 1,171 km (728 miles) from the point.
Learn more about the Indian Ocean →
63 other cities on this list surface in the same place as Philadelphia; the 10 largest are shown.
Worked out by flipping the latitude across the equator (40.0019° N becomes 40.0019° S) and shifting the longitude by 180° (75.1719° W becomes 104.8281° E). More on how antipodes work.
New to it? How to play Antipodal.