# Distance from Chubut (JSM) to London (LHR)

> 12,565 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,565 km / 7,808 mi / 6,785 nm
- **Estimated flight time**: 16h
- **Heading**: 39° (northeast)
- **Return heading**: 227° (southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → United Kingdom
- **Intercontinental**: South America → Europe
- **Time difference**: +4h (When it's 20:31 in Chubut, it's 00:31 in London)
- **Elevation difference**: 2,324 ft (LHR is lower than JSM)

## Airports

### [Jose De San Martin Airport (JSM)](https://www.flightduration.online/airport/jsm-chubut-jose-de-san-martin-airport/1ef266df-9317-6986-9ef8-06bb2780ed98)

- City: Chubut, Argentina
- ICAO: SAWS
- Timezone: America/Argentina/Catamarca
- Coordinates: -44.050000, -70.460000
- Elevation: 2,407 ft

### [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)

- City: London, United Kingdom
- ICAO: EGLL
- Timezone: Europe/London
- Coordinates: 51.470000, -0.460000
- Elevation: 83 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 20:31 in Chubut, it's 00:31 in London.
The 4-hour time difference may cause some jet lag.

## Related

- [Jose De San Martin Airport (JSM)](https://www.flightduration.online/airport/jsm-chubut-jose-de-san-martin-airport/1ef266df-9317-6986-9ef8-06bb2780ed98)
- [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)
- [Flight duration calculator](/#calculator)