How far is Portland, ME, from Seattle, WA?
The distance between Seattle (Seattle–Tacoma International Airport) and Portland (Portland International Jetport) is 2490 miles / 4006 kilometers / 2163 nautical miles.
The driving distance from Seattle (SEA) to Portland (PWM) is 3038 miles / 4889 kilometers, and travel time by car is about 56 hours 17 minutes.
Seattle–Tacoma International Airport – Portland International Jetport
Search flights
Distance from Seattle to Portland
There are several ways to calculate the distance from Seattle to Portland. 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 Seattle to Portland?
The estimated flight time from Seattle–Tacoma International Airport to Portland International Jetport is 5 hours and 12 minutes.
What is the time difference between Seattle and Portland?
The time difference between Seattle and Portland is 3 hours. Portland is 3 hours ahead of Seattle.
Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Portland International Jetport (PWM)
On average, flying from Seattle to Portland 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 Seattle to Portland
See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Portland International Jetport (PWM).
Airport information
| Origin | 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 |
| Destination | Portland International Jetport |
|---|---|
| City: | Portland, ME |
| Country: | United States |
| IATA Code: | PWM |
| ICAO Code: | KPWM |
| Coordinates: | 43°38′46″N, 70°18′33″W |