The opposite side of the world from Christchurch (CHC)
Christchurch International Airport — 43.49°S, 172.53°E
Exact antipodal point
43.49°N, 7.47°W
Nearest airport to that point
Culleredo, Spain LCG
A Coruña Airport
This is a genuinely close pairing — the airport sits just 76 km from the exact antipodal point.
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Of the maximum possible
99.6%
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.