# Distance from Houston (IAH) to Porto (OPO)

> 7,611 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,611 km / 4,729 mi / 4,109 nm
- **Estimated flight time**: 10h
- **Heading**: 54° (northeast)
- **Return heading**: 292° (west northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Portugal
- **Intercontinental**: North America → Europe
- **Time difference**: +6h (When it's 13:31 in Houston, it's 19:31 in Porto)
- **Elevation difference**: 132 ft (OPO 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

### [Francisco de Sa Carneiro Airport (OPO)](https://www.flightduration.online/airport/opo-porto-francisco-de-sa-carneiro-airport/1ef266df-55e0-6a2c-911f-06bb2780ed98)

- City: Porto, Portugal
- ICAO: LPPR
- Timezone: Europe/Lisbon
- Coordinates: 41.250000, -8.680000
- Elevation: 228 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 13:31 in Houston, it's 19:31 in Porto.
With a 6-hour time difference, expect significant jet lag.

## Related

- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Francisco de Sa Carneiro Airport (OPO)](https://www.flightduration.online/airport/opo-porto-francisco-de-sa-carneiro-airport/1ef266df-55e0-6a2c-911f-06bb2780ed98)
- [Flight duration calculator](/#calculator)