The opposite side of the world from Barcelona (BCN)
Josep Tarradellas Barcelona-El Prat Airport — 41.30°N, 2.08°E
Exact antipodal point
41.30°S, 177.92°W
Nearest airport to that point
Te One, New Zealand CHT
Inia William Tuuta Memorial Airport
This is a genuinely close pairing — the airport sits just 304 km from the exact antipodal point.
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Of the maximum possible
98.5%
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.