How far is Renton, WA from SeaTac, WA?
The driving distance from Renton, WA to SeaTac, WA is about 6.3 miles (10.1 km), with a travel time of about 00h 11m by car.
- The straight-line flight distance is about 4.2 miles (6.8 km).
- For a round trip, plan for roughly 00h 23m 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 11m.
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.
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 Renton and SeaTac.
Turn-by-Turn Driving Directions
Step-by-step road directions between Renton and SeaTac.
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1
Start on the route
19 m · 5 sec
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2
Turn left
22 m · 8 sec
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3
Turn left
30 m · 13 sec
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4
Turn left onto Rainier Avenue South
1.5 km · 2 min · Rainier Avenue South
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5
Continue on Valley Freeway
99 m · 7 sec · Valley Freeway
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6
Take the exit slight right toward I 405 South: Burien, Seattle, Tacoma
2264 ft · 48 sec
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7
Merge slight left
2 mi · 3 min
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8
Continue straight
1.5 km · 1 min
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9
Take the exit slight right toward WA 99 South: Seattle-Tacoma International Airport, Rental Car Return, State Patrol, Tukwila International Boulevard Station
1670 ft · 28 sec
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10
Keep slight left to continue on Seattle-Tacoma International Airport
2508 ft · 43 sec
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11
Continue on Airport Expressway
2512 ft · 53 sec · Airport Expressway
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12
Take the exit slight left toward Air Cargo Road, Rental Car Return, Cell Phone Lot
760 ft · 19 sec
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13
Keep slight left to continue on Rental Car Return, Air Cargo Road
41 m · 3 sec
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14
Keep slight left to continue on WA 99: International Boulevard
105 m · 11 sec
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15
Turn left onto South 170th Street
1930 ft · 58 sec · South 170th Street
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16
Turn right onto 32nd Avenue South
949 ft · 36 sec · 32nd Avenue South
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17
Turn right
16 m · 6 sec
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18
Turn right
43 m · 10 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Renton and SeaTac.
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 South
Merge slight left
2.01 mi · 00h 03m
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 Renton and Mostly Sunny near SeaTac.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Renton to SeaTac?
The road trip is about 6.3 miles (10.1 km) and usually takes 00h 11m 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?
Tukwila is a useful midpoint, sitting about 3.2 miles from Renton and 3 miles from SeaTac.
How much longer is the road route than the straight-line distance?
The direct path is about 4.2 miles (6.8 km), while the road route adds roughly 2.1 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 8:06 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.15 one way or $2.30 round trip. Estimated CO2 is about 2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Renton and Mostly Sunny near SeaTac.
Stop Ideas Near Tukwila
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Tukwila Community Center
Auburn Building Permits
City of Auburn
Auburn Community & Event Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Tukwila.
Tukwila station
King Street Station
Seattle (Ferry - Pier 69), Washington
Tacoma Dome Station
Flight Path Map
This map shows the direct air route between Renton and SeaTac. Straight-line distance: 4.24 mi (6.82 km).
#1 Renton
The second most populous city in King County, Washington.
| Population | 101,494 |
| Coordinates | 47.4828800, -122.2170700 |
| Altitude | 12 |
| Country | United States |
#2 SeaTac
Airport in SeaTac, Washington, USA
| Population | 28,904 |
| Coordinates | 47.4484600, -122.2921700 |
| Altitude | 80 |
| Country | United States |
End: SeaTac (-122.29217, 47.44846)
Estimated Travel Time
Distance: 10 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 12m |
| 40 mph (64.37 km/h) | 00h 09m |
| 50 mph (80.47 km/h) | 00h 07m |
| 60 mph (96.56 km/h) | 00h 06m |
| 70 mph (112.65 km/h) | 00h 05m |
| 80 mph (129 km/h) | 00h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $1.15 | $2.30 |
| Mid-grade | $5.57 | $1.22 | $2.45 |
| Premium | $5.77 | $1.27 | $2.54 |
| Diesel | $5.47 | $1.20 | $2.41 |
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.