New York to Buenos Aires
The shortest flight from New York, United States to Buenos Aires, Argentina crosses 5 countries in between.
The route, in flight order
- United States
- ≈ 2,459 km of water
- 1Dominican Republic
- ≈ 868 km of water
- 2Venezuela
- 3Brazil
- 4Bolivia
- 5Paraguay
- Argentina
Numbers give the flight order: where the route first enters each country. In the game, one point per country, plus an in-order stamp for each country you name right after the one before it on the route.
Legs in proportion to distance. Each leg includes the short water crossings and brief re-entries folded into it, so it can be longer than the land figures in the notes.
Flight notes
The shortest way from New York to Buenos Aires is a great circle 8,526 km long (measured on a spherical Earth), and it crosses five countries between the United States and Argentina: the Dominican Republic, Venezuela, Brazil, Bolivia and Paraguay. Of the countries in between, the route spends longest over Brazil, 1,512 km, while the Dominican Republic gets only about 78 km in all. 39% of the flight is over water, the longest open-water stretch 2,459 km. It also comes within 14 km of Uruguay; that does not count as a crossing, so naming it never costs a detour. It leaves New York on a heading of 167° (south).
Never a detour (not counted): Uruguay (passed within 14 km).
How this was checked
Great circle on a spherical Earth sampled every 2 km (d3-geo) against Natural Earth 1:50m and again 1:10m borders: same countries, same order, each answer crossed for 40 km or more outside Natural Earth's disputed areas with one continuous crossing of at least 25 km; re-derived independently (own slerp, planar ray casting, 1:10m) by verify.mjs. Endpoint coordinates: Wikipedia vs Natural Earth populated places agree within 4.8 km.
Sources: Natural Earth 1:50m Admin 0 countries (public domain) · world-atlas 2.0.2 (Natural Earth 1:50m and 1:10m as TopoJSON) · New York City - Wikipedia (coordinates) · Buenos Aires - Wikipedia (coordinates)
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