The opposite side of the world from Bangkok (DMK)
Don Mueang International Airport — 13.91°N, 100.61°E
Exact antipodal point
13.91°S, 79.39°W
Nearest airport to that point
Lima, Peru LIM
Jorge Chávez International Airport
This is a genuinely close pairing — the airport sits just 324 km from the exact antipodal point.
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Of the maximum possible
98.4%
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.