The opposite side of the world from Lisbon (LIS)
Lisbon Humberto Delgado Airport — 38.78°N, 9.14°W
Exact antipodal point
38.78°S, 170.86°E
Nearest airport to that point
New Plymouth, New Zealand NPL
New Plymouth Airport
This is a genuinely close pairing — the airport sits just 288 km from the exact antipodal point.
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Of the maximum possible
98.6%
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.