# Distance from London (LHR) to Merlo (RLO)

> 11,254 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,254 km / 6,993 mi / 6,077 nm
- **Estimated flight time**: 14h
- **Heading**: 231° (southwest)
- **Return heading**: 35° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United Kingdom) → Argentina
- **Intercontinental**: Europe → South America
- **Time difference**: -4h (When it's 03:45 in London, it's 23:45 in Merlo)
- **Elevation difference**: 1,938 ft (RLO is higher than LHR)

## Airports

### [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

### [Valle Del Conlara International Airport (RLO)](https://www.flightduration.online/airport/rlo-merlo-valle-del-conlara-international-airport/1ef266df-9228-6f70-a814-06bb2780ed98)

- City: Merlo, Argentina
- ICAO: SAOS
- Timezone: America/Argentina/San_Luis
- Coordinates: -32.380000, -65.190000
- Elevation: 2,021 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 03:45 in London, it's 23:45 in Merlo.
The 4-hour time difference may cause some jet lag.

## Related

- [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)
- [Valle Del Conlara International Airport (RLO)](https://www.flightduration.online/airport/rlo-merlo-valle-del-conlara-international-airport/1ef266df-9228-6f70-a814-06bb2780ed98)
- [Flight duration calculator](/#calculator)