How far is Sumner, WA from Seattle, WA?
The driving distance from Sumner, WA to Seattle, WA is about 34 miles (54.7 km), with a travel time of about 00h 39m by car.
- The straight-line flight distance is about 28.1 miles (45.3 km).
- For a round trip, plan for roughly 01h 19m 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 39m.
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 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 Sumner and Seattle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sumner and Seattle.
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1
Start on the route
17 m · 10 sec
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2
At the end of the road, turn left onto Main Street
1019 ft · 39 sec · Main Street
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3
Turn left onto Traffic Avenue
1927 ft · 52 sec · Traffic Avenue
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4
Take the ramp right toward WA 410 West: Tacoma, Seattle
1243 ft · 19 sec
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5
Merge slight left
93 m · 5 sec
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6
Keep slight right to continue on WA 167 North: Seattle
1749 ft · 43 sec
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7
Merge slight left onto Valley Freeway
12.1 mi · 15 min · Valley Freeway
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8
Take the exit slight right toward WA 516: Des Moines, Willis Street
1449 ft · 43 sec
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9
Turn left onto West Willis Street
1085 ft · 35 sec · West Willis Street
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10
Continue on South Kent Des Moines Road
2.6 mi · 4 min · South Kent Des Moines Road
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11
Take the exit right
1146 ft · 18 sec
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12
Continue straight
1972 ft · 50 sec
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13
Merge slight left
15.8 mi · 20 min
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14
Take the exit slight left toward Seneca Street
1359 ft · 36 sec
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15
Turn left onto Seneca Street
98 m · 18 sec · Seneca Street
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16
Turn left onto 5th Avenue
615 ft · 27 sec · 5th Avenue
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17
Turn right onto Madison Street
34 m · 9 sec · Madison Street
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18
Turn left
9 m · 2 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 Sumner and Seattle.
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.
South Kent Des Moines Road
Merge slight left
15.8 mi · 00h 20m
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 Sumner and Mostly Sunny near Seattle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sumner to Seattle?
The road trip is about 34 miles (54.7 km) and usually takes 00h 39m 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?
Des Moines is a useful midpoint, sitting about 16.6 miles from Sumner and 17.4 miles from Seattle.
How much longer is the road route than the straight-line distance?
The direct path is about 28.1 miles (45.3 km), while the road route adds roughly 5.9 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 7:10 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.28 one way or $12.56 round trip. Estimated CO2 is about 10.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Sumner and Mostly Sunny near Seattle.
Stop Ideas Near Des Moines
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall Tacoma
Tukwila Community Center
Auburn Building Permits
City of Covington
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Des Moines.
Tukwila station
Tacoma Dome Station
King Street Station
Seattle (Ferry - Pier 69), Washington
Flight Path Map
This map shows the direct air route between Sumner and Seattle. Straight-line distance: 28.17 mi (45.34 km).
#1 Sumner
City in Pierce County, Washington, United States of America
| Population | 10,551 |
| Coordinates | 47.2031600, -122.2404000 |
| Altitude | 23 |
| Country | United States |
#2 Seattle
The eighteenth most populous city in the United States and the center of the Seattle metropolitan area.
| Population | 769,714 |
| Coordinates | 47.6062100, -122.3320700 |
| Altitude | 56 |
| Country | United States |
End: (-122.332143, 47.606309)
Estimated Travel Time
Distance: 55 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 07m |
| 40 mph (64.37 km/h) | 00h 51m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 34m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $6.28 | $12.56 |
| Mid-grade | $5.57 | $6.68 | $13.36 |
| Premium | $5.77 | $6.93 | $13.85 |
| Diesel | $5.47 | $6.56 | $13.12 |
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 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.