How far is Shonai from Portland, OR?

The distance between Portland (Portland International Airport) and Shonai (Shonai Airport) is 4707 miles / 7575 kilometers / 4090 nautical miles.

Distance from Portland to Shonai

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

Vincenty's formula (applied above)

• 4706.713 miles
• 7574.720 kilometers
• 4090.022 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

• 4694.692 miles
• 7555.375 kilometers
• 4079.576 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 Shonai?

The estimated flight time from Portland International Airport to Shonai Airport is 9 hours and 24 minutes.

What is the time difference between Portland and Shonai?

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

Flight carbon footprint between Portland International Airport (PDX) and Shonai Airport (SYO)

On average, flying from Portland to Shonai generates about 546 kg of CO2 per passenger, and 546 kilograms equals 1 203 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portland to Shonai

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

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	Shonai Airport
City:	Shonai
Country:	Japan
IATA Code:	SYO
ICAO Code:	RJSY
Coordinates:	38°48′43″N, 139°47′13″E