How far is Grand Forks, ND, from Porto?

The distance between Porto (Porto Airport) and Grand Forks (Grand Forks International Airport) is 4144 miles / 6669 kilometers / 3601 nautical miles.

Distance from Porto to Grand Forks

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

Vincenty's formula (applied above)

• 4143.942 miles
• 6669.029 kilometers
• 3600.987 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

• 4132.752 miles
• 6651.019 kilometers
• 3591.263 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 Grand Forks?

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

What is the time difference between Porto and Grand Forks?

The time difference between Porto and Grand Forks is 5 hours. Grand Forks is 5 hours behind Porto.

Flight carbon footprint between Porto Airport (OPO) and Grand Forks International Airport (GFK)

On average, flying from Porto to Grand Forks 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 Grand Forks

See the map of the shortest flight path between Porto Airport (OPO) and Grand Forks International Airport (GFK).

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	Grand Forks International Airport
City:	Grand Forks, ND
Country:	United States
IATA Code:	GFK
ICAO Code:	KGFK
Coordinates:	47°56′57″N, 97°10′33″W