MODO AVIÓN

Tokyo to Buenos Aires flight path

HND → AEPHNDAEP
The shortest path on the sphere. On a flat map it looks curved; on the globe it is a straight line.

Along the shortest route, the flight from Tokyo to Buenos Aires covers 11,410 miles (18,360 km) — about 21 h 35 min with no wind. It passes over or close to Japan, Chile and Argentina. It crosses the Pacific Ocean: 93% of the route is over water. Today you leave on UTC+9 and land on UTC−3.

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From Tokyo Haneda International Airport (HND) to Aeroparque Jorge Newbery (AEP) · HND · AEP

HNDTokyo
AEPBuenos Aires
Great-circle distance
18,360 km
Duration, no wind
21 h 35 min
Over water
93 %
Time difference today
−12 h

The route drawn is the theoretical one — the shortest path on the sphere. The real aircraft follows airways, avoids storms and closed airspace, and rides the wind: it can be hundreds of kilometres off.

What countries do you fly over from Tokyo to Buenos Aires?

  • Japan
  • Chile
  • Argentina
  • Pacific Ocean

Which side of the plane to sit on to see Aconcagua

To see Aconcagua (6,959 m), sit on the right: it lies about 22 km from the route, ≈ 20 h 05 min into the flight.

Left window

—

Right window
  • Mount Fuji (3,776 m) ≈ 15 min
  • Valparaíso ≈ 19 h 55 min
  • Viña del Mar ≈ 19 h 55 min
  • Aconcagua (6,959 m) ≈ 20 h 05 min
  • Tupungato Volcano (6,550 m) ≈ 20 h 10 min

Left and right facing forward, on the theoretical route. Times are from take-off, with no wind.

Leg by leg

2 h4 h6 h8 h10 h12 h14 h16 h18 h20 hUTC−3UTC+9Pacific OceanJapanPolynesiaAndesAconcagua 6,959 m 22 kmTupungato Volcano 6,550 m 90 kmViña del Mar 100 kmValparaíso 104 kmHNDAEP▲ Left window▼ Right window◀ Left windowRight window ▶2 h4 h6 h8 h10 h12 h14 h16 h18 h20 hUTC−3Pacific OceanJapanPolynesiaAndesMount Fuji3,776 m · 23 kmValparaíso104 km off routeViña del Mar100 km off routeAconcagua6,959 m · 22 kmHNDAEPUTC+9

LandWaterCity, with its distance from the routePeakClock change

See the full list, leg by leg
  1. Take-off from Tokyo Haneda International Airport
  2. Below: Japan0 km · ≈ 15 min into the flight
  3. Mount Fuji, 3,776 m — on the right, 23 km away0 km · ≈ 15 min into the flight
  4. Below: Honshu61 km · ≈ 19 min into the flight
  5. Pacific Ocean — 17,010 km without land122 km · ≈ 25 min into the flight
  6. Below: Polynesia5,380 km · ≈ 6 h 25 min into the flight
  7. Valparaíso, Chile — on the right, 104 km away17,130 km · ≈ 19 h 55 min into the flight
  8. Below: Andes17,130 km · ≈ 19 h 55 min into the flight
  9. Land again17,130 km · ≈ 19 h 55 min into the flight
  10. Local time below changes: UTC+9 to UTC−317,130 km · ≈ 19 h 55 min into the flight
  11. Viña del Mar, Chile — on the right, 100 km away17,140 km · ≈ 19 h 55 min into the flight
  12. Aconcagua, 6,959 m — on the right, 22 km away17,260 km · ≈ 20 h 05 min into the flight
  13. Tupungato Volcano, 6,550 m — on the right, 90 km away17,310 km · ≈ 20 h 10 min into the flight
  14. Below: Pampas17,560 km · ≈ 20 h 25 min into the flight
  15. Landing at Aeroparque Jorge Newbery18,360 km · ≈ 21 h 20 min into the flight

Times assume a typical jet speed, no wind and an on-time departure. Good for orientation, not for your watch.

Which side the sun, sunrise or sunset will be on

Enter the day and take-off time. Your phone does the maths: the sun's position on every leg of the route, relative to the nose of the aircraft.

Take-offLanding

Sky: light is daytime, amber is sunrise or sunset, dark is night. Left and Right show which side the sun is on for each leg.

Follow the route offline in airplane mode

All of this on board and with no signal: with your phone in airplane mode, Modo Avión shows where you are, what's below and how long is left. GPS still works, because it only listens to satellites.

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Arriving in Buenos Aires

Buenos Aires
Buenos Aires · Photo: ProtoplasmaKid · CC BY-SA 4.0, Wikimedia Commons

Flight time and distance

About 21 h 35 min with no wind, including half an hour of taxi, climb and descent. On a long flight the wind aloft can change that by more than an hour, differently each way.

11,410 miles (18,360 km, 9,910 nautical miles) along the great circle. The real flight covers a little more because it follows airways.

Time zones you cross

kmTimeZone
0 kmUTC+9Tokyo
17,130 kmUTC−3Santiago

Airspace (FIRs) along the route

Each is a control region: when the aircraft crosses the boundary, the centre talking to the pilot changes. Boundaries are approximate, from the VATSIM data set, not the official ICAO chart.

  • Fukuoka
  • Tokyo Oceanic
  • Oakland Oceanic
  • Tahiti Radio
  • Pascua
  • Antofagasta
  • Santiago
  • Mendoza
  • Cordoba
  • Ezeiza

FAQ

Where does the plane fly from Tokyo to Buenos Aires?

Along the shortest route, the flight from Tokyo to Buenos Aires covers 11,410 miles (18,360 km) — about 21 h 35 min with no wind. It passes over or close to Japan, Chile and Argentina. It crosses the Pacific Ocean: 93% of the route is over water. Today you leave on UTC+9 and land on UTC−3.

What countries do you fly over from Tokyo to Buenos Aires?

It passes over or close to Japan, Chile and Argentina, and crosses the Pacific Ocean. This is the theoretical route: the aircraft may deviate for wind or closed airspace.

How long is the flight from Tokyo to Buenos Aires?

About 21 h 35 min with no wind, including half an hour of taxi, climb and descent. On a long flight the wind aloft can change that by more than an hour, differently each way.

How far is Tokyo from Buenos Aires by plane?

11,410 miles (18,360 km, 9,910 nautical miles) along the great circle. The real flight covers a little more because it follows airways.

How much of the flight is over water?

93% of the route, about 17,010 km. The longest stretch without land is 17,010 km.

Why doesn't the plane fly in a straight line on the map?

It does fly straight — on a sphere. On a flat map the shortest path looks curved; on the globe on this page it looks like what it is.

Does GPS work in airplane mode?

Yes. GPS is a receiver: it listens to satellites and transmits nothing, so it keeps working in airplane mode. What you won't have is a map unless you downloaded it; Modo Avión carries its own.

More routes

The way back: Buenos Aires → Tokyo

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How this was calculated

The route is the great-circle arc between both airports, split into 300 points. At each point a point-in-polygon test runs against 1,102 airspace regions, 418 time zones and 1,338 physical geography regions. Countries are those with a town within 25 km of the route: in empty areas one may be missing. Cities named have over 250,000 people and lie within 110 km.

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