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Distance from Pasadena, CA to SEA Airport

Distance

1,125 mi

Time

21 hours 20 mins

Gas Cost

$105 - $204

Helpful Inaccurate

There are 944.19 miles from Pasadena to Seattle–Tacoma International Airport (SEA) in northwest direction and 1,125 miles (1,810.51 kilometers) by car, following the I-5 route.

Pasadena and SEA Airport are 21 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Pasadena, CA to SEA Airport. The halfway point is Shasta Lake, CA.

Pasadena, CA and SEA Airport are in the same time zone (PDT). Current time in both locations is 10:30 am.

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Lowest Price Rental Cars in Pasadena, CA

Planning on renting a car to go from Pasadena, CA to SEA Airport? Here there are some offers to rent a car in Pasadena, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Pasadena »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 45.19 gallons of gas to cover the route between Pasadena, CA and SEA Airport.

The estimated cost of gas to go from Pasadena to SEA Airport is $147.40.

During the route, an average car will release 885.33 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Pasadena, CA and SEA Airport

If you want to meet halfway between Pasadena, CA and SEA Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.643139 and -122.393410, or 40º 38' 35.3004" N, 122º 23' 36.276" W. This location is 562.59 miles away from Pasadena, CA and SEA Airport and it would take approximately 10 hours 40 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Shasta Lake, CA, situated 552 miles from Pasadena, CA and 577 miles from SEA Airport. It would take 8 hours 10 mins to go from Pasadena to Shasta Lake and 9 hours 13 mins to go from SEA to Shasta Lake.

Major Cities Along the Route

Some major cities along the route include Glendale, CA,Burbank, CA,Santa Clarita, CA,Stockton, CA,Elk Grove, CA,Sacramento, CA,Portland, OR,Vancouver, WA,Salem, OR, and Eugene, OR.