The opposite side of the world from Tianjin (TSN)
Tianjin Binhai International Airport — 39.12°N, 117.35°E
Exact antipodal point
39.12°S, 62.65°W
Nearest airport to that point
Bahía Blanca, Argentina BHI
Comandante Espora Airport
This is a genuinely close pairing — the airport sits just 61 km from the exact antipodal point.
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Of the maximum possible
99.7%
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.