How far is Huntsville, AL, from Porto?

The distance between Porto (Porto Airport) and Huntsville (Huntsville International Airport) is 4144 miles / 6670 kilometers / 3601 nautical miles.

Distance from Porto to Huntsville

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

Vincenty's formula (applied above)

• 4144.356 miles
• 6669.694 kilometers
• 3601.347 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

• 4134.766 miles
• 6654.260 kilometers
• 3593.013 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 Huntsville?

The estimated flight time from Porto Airport to Huntsville International Airport is 8 hours and 20 minutes.

What is the time difference between Porto and Huntsville?

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

Flight carbon footprint between Porto Airport (OPO) and Huntsville International Airport (HSV)

On average, flying from Porto to Huntsville generates about 474 kg of CO2 per passenger, and 474 kilograms equals 1 046 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Porto to Huntsville

See the map of the shortest flight path between Porto Airport (OPO) and Huntsville International Airport (HSV).

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	Huntsville International Airport
City:	Huntsville, AL
Country:	United States
IATA Code:	HSV
ICAO Code:	KHSV
Coordinates:	34°38′13″N, 86°46′30″W