# Distance from Houston (IAH) to Merlo (RLO)

> 7,627 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,627 km / 4,739 mi / 4,119 nm
- **Estimated flight time**: 10h
- **Heading**: 153° (south southeast)
- **Return heading**: 332° (north northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Argentina
- **Intercontinental**: North America → South America
- **Time difference**: +2h (When it's 20:25 in Houston, it's 22:25 in Merlo)
- **Elevation difference**: 1,925 ft (RLO is higher than IAH)

## Airports

### [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)

- City: Houston, United States
- ICAO: KIAH
- Timezone: America/Chicago
- Coordinates: 29.980000, -95.340000
- Elevation: 96 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 20:25 in Houston, it's 22:25 in Merlo.

## Related

- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [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)