Distance between Seattle WA and Portland OR
The distance from Seattle to Portland is 173 miles by road including 173 miles on motorways. Road takes approximately 2 hours and 45 minutes and goes through Tacoma, Olympia, Vancouver, Tukwila, Des Moines, Kent and Federal Way.
| Shortest distance by air | 145 mi ✈️ |
| Car route length | 173.4 mi 🚗 |
| Driving time | 2 h 45 min |
| Fuel amount | 5.9 gal |
| Fuel cost | 23.2 USD |
| Point | Distance | Time | Fuel | |
| Seattle | 0 mi | 00 min | 0.0 gal | |
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I 5 11 mi, 11 min
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| Tukwila | 11 mi | 11 min | 0.3 gal | |
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I 5 4 mi, 04 min
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| Des Moines | 15 mi | 15 min | 0.5 gal | |
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I 5 2 mi, 02 min
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| Kent | 17 mi | 17 min | 0.5 gal | |
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I 5 5 mi, 04 min
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| Federal Way | 22 mi | 22 min | 0.6 gal | |
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I 5 7 mi, 06 min
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| Fife | 29 mi | 29 min | 0.9 gal | |
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I 5 4 mi, 03 min
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| Tacoma | 32 mi | 32 min | 1.0 gal | |
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I 5 27 mi, 26 min
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| Olympia | 59 mi | 59 min | 1.9 gal | |
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I 5 104 mi, 1 h 34 min
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| Vancouver | 163 mi | 2 h 33 min | 5.5 gal | |
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I 5 10 mi, 11 min
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| Portland | 173 mi | 2 h 45 min | 5.6 gal | |
Hotels of Portland
Frequently Asked Questions
How much does it cost to drive from Seattle to Portland?
Fuel cost: 23.2 USD
This fuel cost is calculated as: (Route length 173.4 mi) / (Fuel consumption 29.4 mpg) * (Fuel price 3.93 USD / gal)
You can adjust fuel consumption and fuel price here.
How long is a car ride from Seattle to Portland?
Driving time: 2 h 45 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 85 mi with a maximum speed 68 mph = 1 h 15 min
- 78 mi with a maximum speed 60 mph = 1 h 18 min
- 4 mi with a maximum speed 55 mph = 3 min
- 4 mi with a maximum speed 50 mph = 5 min
- 1 mi with a maximum speed 50 mph = 1 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is Seattle to Portland by land?
The distance between Seattle and Portland is 173.4 mi by road including 172.7 mi on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of Seattle and Portland respectively.
How far is Seattle to Portland by plane?
The shortest distance (air line, as the crow flies) between Seattle and Portland is 144.8 mi.
This distance is calculated using the Haversine formula as a great-circle distance between two points on the surface of a sphere. The start and finish points are the centers of Seattle and Portland respectively. Actual distance between airports may be different.
How many hours is Seattle from Portland by plane?
Boeing 737 airliner needs 17 min to cover the distance of 145 mi at a cruising speed of 497 mph.
Small plane "Cessna 172" needs 1 h 3 min to flight this distance at average speed of 136 mph.
This time is approximate and do not take into account takeoff and landing times, airport location and other real world factors.
How long is a helicopter ride from Seattle to Portland?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 58 min to cover the distance of 145 mi at a cruising speed of 149 mph.
Popular "Robinson R44" needs 1 h 6 min to flight this distance at average speed of 130 mph.
This time is approximate and do not take into account takeoff and landing times, aerodrome location and other real world factors.
What city is halfway between Seattle and Portland?
The halfway point between Seattle and Portland is Chehalis. It is located about 1 mi from the exact midpoint by road.
The distance from Chehalis to Seattle is 87 mi and driving will take about 1 h 25 min. The road between Chehalis and Portland has length 86 mi and will take approximately 1 h 20 min.
The other cities located close to halfway point:
Where is Seattle in relation to Portland?
Seattle is located 145 mi north of Portland.
Seattle has geographic coordinates: latitude 47.60383, longitude -122.33006.
Portland has geographic coordinates: latitude 45.52025, longitude -122.67419.
Which highway goes from Seattle to Portland?
The route from Seattle to Portland follows I 5.
Other minor sections pass along the road:
- US 12: 19 mi
- US 30: 1 mi