# Distance from Buenos Aires (AEP) to Shonai (SYO)

> 18,327 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,327 km / 11,388 mi / 9,896 nm
- **Estimated flight time**: 23h
- **Heading**: 292° (west northwest)
- **Return heading**: 79° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → Japan
- **Intercontinental**: South America → Asia
- **Time difference**: +12h (When it's 15:37 in Buenos Aires, it's 03:37 in Shonai)
- **Elevation difference**: 68 ft (SYO is higher than AEP)

## Airports

### [Jorge Newbery Airpark (AEP)](https://www.flightduration.online/airport/aep-buenos-aires-jorge-newbery-airpark/1ef266df-90fd-6222-98d7-06bb2780ed98)

- City: Buenos Aires, Argentina
- ICAO: SABE
- Timezone: America/Argentina/Buenos_Aires
- Coordinates: -34.560000, -58.420000
- Elevation: 18 ft

### [Shonai Airport (SYO)](https://www.flightduration.online/airport/syo-shonai-shonai-airport/1ef266df-8ca9-66f8-8b2b-06bb2780ed98)

- City: Shonai, Japan
- ICAO: RJSY
- Timezone: Asia/Tokyo
- Coordinates: 38.810000, 139.790000
- Elevation: 86 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 15:37 in Buenos Aires, it's 03:37 in Shonai.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Jorge Newbery Airpark (AEP)](https://www.flightduration.online/airport/aep-buenos-aires-jorge-newbery-airpark/1ef266df-90fd-6222-98d7-06bb2780ed98)
- [Shonai Airport (SYO)](https://www.flightduration.online/airport/syo-shonai-shonai-airport/1ef266df-8ca9-66f8-8b2b-06bb2780ed98)
- [Flight duration calculator](/#calculator)