How far is Kennewick, WA from Sumner, WA?
The driving distance from Kennewick, WA to Sumner, WA is about 235.7 miles (379.4 km), with a travel time of about 04h 30m by car.
- The straight-line flight distance is about 162.2 miles (261 km).
- For a round trip, plan for roughly 09h 01m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 30m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Kittitas County, Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Light Rain then Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Kennewick and Sumner.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kennewick and Sumner.
-
1
Start on North Newport Street
706 ft · 38 sec · North Newport Street
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2
Turn left onto West Kennewick Avenue
2790 ft · 1 min · West Kennewick Avenue
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3
Turn left onto North Fruitland Street
2961 ft · 2 min · North Fruitland Street
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4
Turn left onto West Columbia Drive
2787 ft · 1 min · West Columbia Drive
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5
Enter the roundabout and take exit 1 toward the route
669 ft · 9 sec
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6
Exit the roundabout
6.4 mi · 8 min
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7
Keep slight right
5.1 mi · 5 min
-
8
Continue straight
616 ft · 8 sec
-
9
Keep slight right to continue on I 82 West, US 12 West: Prosser, Yakima
70.9 mi · 1 hr 17 min
-
10
Continue straight
31 mi · 34 min
-
11
Keep slight left to continue on I 90 West
85.7 mi · 1 hr 36 min
-
12
Take the exit slight right toward WA 18 West: Auburn
1248 ft · 30 sec
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13
Keep slight left to continue on SR 18 west, Snoqualmie Parkway: Auburn, Tacoma
137 m · 13 sec
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14
Merge slight right onto Snoqualmie Parkway
1780 ft · 25 sec · Snoqualmie Parkway
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15
Continue on State Route 18
24.2 mi · 31 min · State Route 18
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16
Take the exit slight right toward WA 167: Renton, Puyallup
1109 ft · 19 sec
-
17
Keep slight left to continue on WA 167 South: Puyallup, West Valley Highway
1523 ft · 26 sec
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18
Keep slight right to continue on WA 167 South: Puyallup
970 ft · 25 sec
-
19
Merge slight left onto Valley Freeway
7.3 mi · 9 min · Valley Freeway
-
20
Take the exit slight right toward WA 410 East: Sumner, Yakima
3042 ft · 47 sec
-
21
Continue straight
822 ft · 13 sec
-
22
Take the exit slight right toward East Main Traffic Avenue
1334 ft · 40 sec
-
23
Turn left onto Traffic Avenue
2174 ft · 47 sec · Traffic Avenue
-
24
Turn right onto Maple Street
956 ft · 38 sec · Maple Street
-
25
Turn left onto Alder Avenue
68 m · 10 sec · Alder Avenue
-
26
Turn right
56 m · 14 sec
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27
Turn slight left
20 m · 5 sec
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28
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Kennewick and Sumner.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 90 West
Keep slight left to continue on I 90 West
85.7 mi · 01h 36m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Slight Chance Light Rain then Mostly Sunny leaving Kennewick and Mostly Sunny near Sumner.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kennewick to Sumner?
The road trip is about 235.7 miles (379.4 km) and usually takes 04h 30m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Ellensburg is a useful midpoint, sitting about 117.7 miles from Kennewick and 118.1 miles from Sumner.
How much longer is the road route than the straight-line distance?
The direct path is about 162.2 miles (261 km), while the road route adds roughly 73.5 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 7:58 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $43.54 one way or $87.08 round trip. Estimated CO2 is about 73.9 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Light Rain then Mostly Sunny around Kennewick and Mostly Sunny near Sumner.
Stop Ideas Near Ellensburg
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Ellensburg.
Columbia Station
Quincy, Washington
Leavenworth, Washington
Leavenworth
Flight Path Map
This map shows the direct air route between Kennewick and Sumner. Straight-line distance: 162.2 mi (261.03 km).
#1 Kennewick
The second most populous city in Benton County, Washington.
| Population | 84,515 |
| Coordinates | 46.2112500, -119.1372300 |
| Altitude | 124 |
| Country | United States |
#2 Sumner
City in Pierce County, Washington, United States of America
| Population | 10,551 |
| Coordinates | 47.2031600, -122.2404000 |
| Altitude | 23 |
| Country | United States |
End: Sumner (-122.2404, 47.20316)
Estimated Travel Time
Distance: 379 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 51m |
| 40 mph (64.37 km/h) | 05h 53m |
| 50 mph (80.47 km/h) | 04h 42m |
| 60 mph (96.56 km/h) | 03h 55m |
| 70 mph (112.65 km/h) | 03h 22m |
| 80 mph (129 km/h) | 02h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $43.54 | $87.08 |
| Mid-grade | $5.57 | $46.32 | $92.63 |
| Premium | $5.77 | $48.01 | $96.03 |
| Diesel | $5.47 | $45.49 | $90.97 |
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.