How far is SeaTac, WA from Redmond, WA?
The driving distance from SeaTac, WA to Redmond, WA is about 24 miles (38.7 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 17.5 miles (28.2 km).
- For a round trip, plan for roughly 01h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 34m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in, and the county seat of, Pend Oreille County, Washington
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between SeaTac and Redmond.
Turn-by-Turn Driving Directions
Step-by-step road directions between SeaTac and Redmond.
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1
Start on the route
43 m · 16 sec
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2
Turn left
16 m · 9 sec
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3
Turn left onto 32nd Avenue South
949 ft · 40 sec · 32nd Avenue South
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4
At the end of the road, turn left onto South 170th Street
1028 ft · 34 sec · South 170th Street
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5
Turn right onto International Boulevard
1.4 km · 2 min · International Boulevard
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6
Take the ramp slight right toward WA 518 East
1871 ft · 50 sec
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7
Merge slight left
1.4 km · 1 min
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8
Keep slight left to continue on I 405 North: Renton
1576 ft · 22 sec
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9
Continue straight
14 mi · 17 min
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10
Take the exit slight right toward WA 520: Seattle, Redmond
2458 ft · 60 sec
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11
Keep slight right to continue on WA 520 East: 124th Avenue Northeast, Redmond
138 m · 11 sec
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12
Keep slight left to continue on 124th Avenue Northeast
1401 ft · 34 sec
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13
Merge slight left
4.4 mi · 5 min
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14
Take the exit slight right toward West Lake Sammamish Parkway Northeast
1666 ft · 48 sec
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15
Turn left onto West Lake Sammamish Parkway Northeast
1643 ft · 40 sec · West Lake Sammamish Parkway Northeast
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16
Turn right onto Leary Way
2588 ft · 1 min · Leary Way
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17
Turn right onto Redmond Way
96 m · 18 sec · Redmond Way
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18
Turn left onto 164th Avenue Northeast
9 m · 1 sec · 164th Avenue Northeast
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19
Arrive at your destination
0 m · 1 sec · 164th Avenue Northeast
Car Route Details
A richer read on the saved driving route between SeaTac and Redmond.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 405 North
Continue straight
14 mi · 00h 17m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving SeaTac and Mostly Sunny near Redmond.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from SeaTac to Redmond?
The road trip is about 24 miles (38.7 km) and usually takes 00h 34m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Newport is a useful midpoint, sitting about 11.6 miles from SeaTac and 12.5 miles from Redmond.
How much longer is the road route than the straight-line distance?
The direct path is about 17.5 miles (28.2 km), while the road route adds roughly 6.5 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:22 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.45 one way or $8.90 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around SeaTac and Mostly Sunny near Redmond.
Stop Ideas Near Newport
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Tukwila Community Center
Renton City Human Services
Renton City Hall
Renton Police Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Newport.
King Street Station
Tukwila station
Seattle (Ferry - Pier 69), Washington
Edmonds station
Flight Path Map
This map shows the direct air route between SeaTac and Redmond. Straight-line distance: 17.5 mi (28.16 km).
#1 SeaTac
Airport in SeaTac, Washington, USA
| Population | 28,904 |
| Coordinates | 47.4484600, -122.2921700 |
| Altitude | 80 |
| Country | United States |
#2 Redmond
The second most populous city in King County, Washington.
| Population | 72,507 |
| Coordinates | 47.6739900, -122.1215100 |
| Altitude | 13 |
| Country | United States |
End: 164th Avenue Northeast (-122.121524, 47.674028)
Estimated Travel Time
Distance: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 48m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 28m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $4.45 | $8.90 |
| Mid-grade | $5.57 | $4.73 | $9.46 |
| Premium | $5.77 | $4.91 | $9.81 |
| Diesel | $5.47 | $4.65 | $9.29 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Washington · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.