How far is Seattle, WA, from Portland, ME?

The distance between Portland (Portland International Jetport) and Seattle (Seattle–Tacoma International Airport) is 2490 miles / 4006 kilometers / 2163 nautical miles.

The driving distance from Portland (PWM) to Seattle (SEA) is 3035 miles / 4885 kilometers, and travel time by car is about 56 hours 16 minutes.

Distance from Portland to Seattle

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

Vincenty's formula (applied above)

• 2489.503 miles
• 4006.466 kilometers
• 2163.319 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

• 2482.576 miles
• 3995.319 kilometers
• 2157.299 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 Seattle?

The estimated flight time from Portland International Jetport to Seattle–Tacoma International Airport is 5 hours and 12 minutes.

What is the time difference between Portland and Seattle?

The time difference between Portland and Seattle is 3 hours. Seattle is 3 hours behind Portland.

Flight carbon footprint between Portland International Jetport (PWM) and Seattle–Tacoma International Airport (SEA)

On average, flying from Portland to Seattle generates about 274 kg of CO2 per passenger, and 274 kilograms equals 604 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 Seattle

See the map of the shortest flight path between Portland International Jetport (PWM) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin	Portland International Jetport
City:	Portland, ME
Country:	United States
IATA Code:	PWM
ICAO Code:	KPWM
Coordinates:	43°38′46″N, 70°18′33″W

Destination	Seattle–Tacoma International Airport
City:	Seattle, WA
Country:	United States
IATA Code:	SEA
ICAO Code:	KSEA
Coordinates:	47°26′56″N, 122°18′32″W