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How far is Decatur, IL, from Porto?

The distance between Porto (Porto Airport) and Decatur (Decatur Airport) is 4060 miles / 6534 kilometers / 3528 nautical miles.

Porto Airport – Decatur Airport

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4060
Miles
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6534
Kilometers
Distance arrow
3528
Nautical miles

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Distance from Porto to Decatur

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

Vincenty's formula (applied above)
  • 4060.187 miles
  • 6534.237 kilometers
  • 3528.206 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
  • 4049.985 miles
  • 6517.819 kilometers
  • 3519.341 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 Decatur?

The estimated flight time from Porto Airport to Decatur Airport is 8 hours and 11 minutes.

Flight carbon footprint between Porto Airport (OPO) and Decatur Airport (DEC)

On average, flying from Porto to Decatur generates about 464 kg of CO2 per passenger, and 464 kilograms equals 1 023 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Porto to Decatur

See the map of the shortest flight path between Porto Airport (OPO) and Decatur Airport (DEC).

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 Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W