The opposite side of the world from Washington (DCA)
Ronald Reagan Washington National Airport — 38.85°N, 77.04°W
Exact antipodal point
38.85°S, 102.96°E
Nearest airport to that point
Albany, Australia ALH
Albany Airport
The exact point falls in open water or empty terrain: the nearest airport is 1,388 km away from it. Roughly 71% of the Earth is ocean, so most antipodes land at sea.
Advertisement
Of the maximum possible
93.1%
No two points on Earth can be more than about 20,015 km apart.
The antipode is found by negating the latitude and shifting the longitude by 180°. Distances use the haversine formula on a sphere of mean radius 6,371.0088 km. Airport coordinates come from the public-domain OurAirports dataset.