How far is Niigata from Portland, OR?

The distance between Portland (Portland International Airport) and Niigata (Niigata Airport) is 4773 miles / 7681 kilometers / 4148 nautical miles.

Distance from Portland to Niigata

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

Vincenty's formula (applied above)

• 4773.038 miles
• 7681.461 kilometers
• 4147.657 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

• 4761.022 miles
• 7662.122 kilometers
• 4137.215 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 Niigata?

The estimated flight time from Portland International Airport to Niigata Airport is 9 hours and 32 minutes.

What is the time difference between Portland and Niigata?

The time difference between Portland and Niigata is 16 hours. Niigata is 16 hours ahead of Portland.

Flight carbon footprint between Portland International Airport (PDX) and Niigata Airport (KIJ)

On average, flying from Portland to Niigata generates about 554 kg of CO2 per passenger, and 554 kilograms equals 1 222 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portland to Niigata

See the map of the shortest flight path between Portland International Airport (PDX) and Niigata Airport (KIJ).

Airport information

Origin	Portland International Airport
City:	Portland, OR
Country:	United States
IATA Code:	PDX
ICAO Code:	KPDX
Coordinates:	45°35′19″N, 122°35′52″W

Destination	Niigata Airport
City:	Niigata
Country:	Japan
IATA Code:	KIJ
ICAO Code:	RJSN
Coordinates:	37°57′21″N, 139°7′15″E