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How far is Niagara Falls, NY, from Portland, ME?

The distance between Portland (Portland International Jetport) and Niagara Falls (Niagara Falls International Airport) is 436 miles / 702 kilometers / 379 nautical miles.

The driving distance from Portland (PWM) to Niagara Falls (IAG) is 559 miles / 899 kilometers, and travel time by car is about 11 hours 1 minutes.

Portland International Jetport – Niagara Falls International Airport

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436
Miles
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702
Kilometers
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379
Nautical miles

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Distance from Portland to Niagara Falls

There are several ways to calculate the distance from Portland to Niagara Falls. Here are two standard methods:

Vincenty's formula (applied above)
  • 436.313 miles
  • 702.177 kilometers
  • 379.145 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
  • 435.148 miles
  • 700.303 kilometers
  • 378.133 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 Portland to Niagara Falls?

The estimated flight time from Portland International Jetport to Niagara Falls International Airport is 1 hour and 19 minutes.

What is the time difference between Portland and Niagara Falls?

There is no time difference between Portland and Niagara Falls.

Flight carbon footprint between Portland International Jetport (PWM) and Niagara Falls International Airport (IAG)

On average, flying from Portland to Niagara Falls generates about 89 kg of CO2 per passenger, and 89 kilograms equals 197 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portland to Niagara Falls

See the map of the shortest flight path between Portland International Jetport (PWM) and Niagara Falls International Airport (IAG).

Airport information

Origin Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W
Destination Niagara Falls International Airport
City: Niagara Falls, NY
Country: United States Flag of United States
IATA Code: IAG
ICAO Code: KIAG
Coordinates: 43°6′26″N, 78°56′46″W