How far is Houston, TX, from Porto?

The distance between Porto (Porto Airport) and Houston (Houston George Bush Intercontinental Airport) is 4739 miles / 7626 kilometers / 4118 nautical miles.

Distance from Porto to Houston

There are several ways to calculate the distance from Porto to Houston. Here are two standard methods:

Vincenty's formula (applied above)

• 4738.843 miles
• 7626.428 kilometers
• 4117.942 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 4728.877 miles
• 7610.390 kilometers
• 4109.282 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Porto to Houston?

The estimated flight time from Porto Airport to Houston George Bush Intercontinental Airport is 9 hours and 28 minutes.

What is the time difference between Porto and Houston?

The time difference between Porto and Houston is 6 hours. Houston is 6 hours behind Porto.

Flight carbon footprint between Porto Airport (OPO) and Houston George Bush Intercontinental Airport (IAH)

On average, flying from Porto to Houston generates about 550 kg of CO2 per passenger, and 550 kilograms equals 1 213 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Porto to Houston

See the map of the shortest flight path between Porto Airport (OPO) and Houston George Bush Intercontinental Airport (IAH).

Airport information

Origin	Porto Airport
City:	Porto
Country:	Portugal
IATA Code:	OPO
ICAO Code:	LPPR
Coordinates:	41°14′53″N, 8°40′53″W

Destination	Houston George Bush Intercontinental Airport
City:	Houston, TX
Country:	United States
IATA Code:	IAH
ICAO Code:	KIAH
Coordinates:	29°59′3″N, 95°20′29″W