How far is Renton, WA from Southworth, WA?
The driving distance from Renton, WA to Southworth, WA is about 18.7 miles (30.1 km), with a travel time of about 00h 59m by car.
- The straight-line flight distance is about 13.4 miles (21.6 km).
- For a round trip, plan for roughly 01h 58m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PST.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 59m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town in Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain
Driving Route Map
The map below follows the saved road route between Renton and Southworth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Renton and Southworth.
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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
3.1 mi · 4 min
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9
Take the exit slight right toward WA 509 North: Seattle
2714 ft · 1 min
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10
Merge slight left
1.1 km · 50 sec
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11
Take the exit slight right toward South 128th Street
1109 ft · 35 sec
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12
Turn left onto South 128th Street
1949 ft · 45 sec · South 128th Street
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13
Continue on Southwest 128th Street
1.2 km · 2 min · Southwest 128th Street
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14
Turn right onto Ambaum Boulevard Southwest
2368 ft · 1 min · Ambaum Boulevard Southwest
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15
Keep slight left to continue on Ambaum Boulevard Southwest
2029 ft · 52 sec · Ambaum Boulevard Southwest
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16
Continue on 16th Avenue Southwest
2908 ft · 1 min · 16th Avenue Southwest
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17
Turn left onto Southwest 107th Street
1581 ft · 43 sec · Southwest 107th Street
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18
Continue on Southwest 107th Way
1233 ft · 34 sec · Southwest 107th Way
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19
Continue on Southwest 106th Street
1 mi · 3 min · Southwest 106th Street
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20
At the end of the road, turn right onto Marine View Drive Southwest
1.1 km · 2 min · Marine View Drive Southwest
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21
Continue on 45th Avenue Southwest
1960 ft · 1 min · 45th Avenue Southwest
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22
Exit the roundabout onto Southwest Director Street
693 ft · 31 sec · Southwest Director Street
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23
Continue on Fauntleroy Way Southwest
571 ft · 32 sec · Fauntleroy Way Southwest
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24
Continue on Fauntleroy Way Southwest
114 m · 13 sec · Fauntleroy Way Southwest
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25
Keep slight right to continue on Southwest Barton Street
52 m · 3 sec · Southwest Barton Street
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26
Turn slight right onto Fauntleroy Ferry Terminal
718 ft · 12 sec · Fauntleroy Ferry Terminal
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27
Turn straight onto Fauntleroy - Southworth Ferry
4.8 mi · 30 min · Fauntleroy - Southworth Ferry
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28
Continue on Southworth Ferry
1605 ft · 2 min · Southworth Ferry
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29
Turn left
11 m · 3 sec
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30
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Renton and Southworth.
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.
Fauntleroy - Southworth Ferry
Turn straight onto Fauntleroy - Southworth Ferry
4.78 mi · 00h 30m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Light Rain leaving Renton and Light Rain near Southworth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Renton to Southworth?
The road trip is about 18.7 miles (30.1 km) and usually takes 00h 59m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Burien is a useful midpoint, sitting about 9.3 miles from Renton and 9.4 miles from Southworth.
How much longer is the road route than the straight-line distance?
The direct path is about 13.4 miles (21.6 km), while the road route adds roughly 5.3 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 8:00 AM to 10:00 AM PST. If you want a more comfortable same-day return, try to leave by 4:32 PM PST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.32 one way or $6.64 round trip. Estimated CO2 is about 5.9 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain around Renton and Light Rain near Southworth.
Stop Ideas Near Burien
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 Burien.
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 Southworth. Straight-line distance: 13.44 mi (21.63 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 Southworth
Situated on the eastern edge of the Kitsap Peninsula overlooking Puget Sound, this unincorporated community lies at an approximate elevation of 75 feet.
| Population | 0 |
| Coordinates | 47.5120400, -122.5018000 |
| Altitude | 23 |
| Country | United States |
End: Southworth (-122.5018, 47.51204)
Estimated Travel Time
Distance: 30 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 37m |
| 40 mph (64.37 km/h) | 00h 28m |
| 50 mph (80.47 km/h) | 00h 22m |
| 60 mph (96.56 km/h) | 00h 18m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.03 | $3.32 | $6.64 |
| Mid-grade | $5.29 | $3.49 | $6.98 |
| Premium | $5.55 | $3.67 | $7.33 |
| Diesel | $7.16 | $4.73 | $9.45 |
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 · Nov 09, 2026