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How far is Duluth, MN, from Porto?

The distance between Porto (Porto Airport) and Duluth (Duluth International Airport) is 3975 miles / 6398 kilometers / 3454 nautical miles.

Porto Airport – Duluth International Airport

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3975
Miles
Distance arrow
6398
Kilometers
Distance arrow
3454
Nautical miles

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Distance from Porto to Duluth

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

Vincenty's formula (applied above)
  • 3975.244 miles
  • 6397.535 kilometers
  • 3454.392 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
  • 3964.579 miles
  • 6380.371 kilometers
  • 3445.125 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 Duluth?

The estimated flight time from Porto Airport to Duluth International Airport is 8 hours and 1 minutes.

Flight carbon footprint between Porto Airport (OPO) and Duluth International Airport (DLH)

On average, flying from Porto to Duluth generates about 453 kg of CO2 per passenger, and 453 kilograms equals 999 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Porto to Duluth

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

Airport information

Origin Porto Airport
City: Porto
Country: Portugal Flag of Portugal
IATA Code: OPO
ICAO Code: LPPR
Coordinates: 41°14′53″N, 8°40′53″W
Destination Duluth International Airport
City: Duluth, MN
Country: United States Flag of United States
IATA Code: DLH
ICAO Code: KDLH
Coordinates: 46°50′31″N, 92°11′36″W