How far is Kennewick, WA from Tumwater, WA?
The driving distance from Kennewick, WA to Tumwater, WA is about 256 miles (412 km), with a travel time of about 05h 02m by car.
- The straight-line flight distance is about 187.3 miles (301.4 km).
- For a round trip, plan for roughly 10h 04m 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 05h 02m.
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 Yakima County, Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Kennewick and Tumwater.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kennewick and Tumwater.
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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
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8
Continue straight
616 ft · 8 sec
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9
Keep slight right to continue on I 82 West, US 12 West: Prosser, Yakima
70.9 mi · 1 hr 17 min
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10
Take the exit slight right toward US 12 west, North 1st Street: White Pass, Chinook Pass, Naches
725 ft · 10 sec
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11
Keep slight right to continue on US 12 West: Naches, White Pass
17.6 mi · 23 min
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12
Turn left
118.7 mi · 2 hr 22 min
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13
Take the exit right toward I 5 North: Seattle
34.1 mi · 38 min
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14
Take the exit slight right toward Trosper Road, Black Lake
1339 ft · 39 sec
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15
Enter the roundabout and take exit 2 toward 6th Avenue Southwest
47 m · 4 sec · 6th Avenue Southwest
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16
Exit the roundabout onto 6th Avenue Southwest
74 m · 8 sec · 6th Avenue Southwest
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17
Enter the roundabout and take exit 1 toward Trosper Road Southwest
2 m · 1 sec · Trosper Road Southwest
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18
Exit the roundabout onto Trosper Road Southwest
98 m · 7 sec · Trosper Road Southwest
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19
Enter the roundabout and take exit 2 toward Capitol Boulevard South
64 m · 4 sec · Capitol Boulevard South
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20
Exit the roundabout onto Capitol Boulevard South
2609 ft · 1 min · Capitol Boulevard South
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21
Turn left onto Linwood Avenue Southwest
124 m · 11 sec · Linwood Avenue Southwest
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22
Turn slight right
16 m · 3 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Kennewick and Tumwater.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Longest stretch
Turn left
119 mi · 02h 22m
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.
Mostly Sunny leaving Kennewick and Partly Sunny near Tumwater.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kennewick to Tumwater?
The road trip is about 256 miles (412 km) and usually takes 05h 02m 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?
Tieton is a useful midpoint, sitting about 127.8 miles from Kennewick and 128.3 miles from Tumwater.
How much longer is the road route than the straight-line distance?
The direct path is about 187.3 miles (301.4 km), while the road route adds roughly 68.7 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 6:56 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $47.25 one way or $94.51 round trip. Estimated CO2 is about 80.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Kennewick and Partly Sunny near Tumwater.
Stop Ideas Near Tieton
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 Tieton.
Columbia Station
Quincy, Washington
Leavenworth, Washington
Leavenworth
Flight Path Map
This map shows the direct air route between Kennewick and Tumwater. Straight-line distance: 187.28 mi (301.39 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 Tumwater
City in Thurston County, Washington, United States
| Population | 24,272 |
| Coordinates | 47.0073200, -122.9093100 |
| Altitude | 53 |
| Country | United States |
End: Tumwater (-122.90931, 47.00732)
Estimated Travel Time
Distance: 412 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 31m |
| 40 mph (64.37 km/h) | 06h 24m |
| 50 mph (80.47 km/h) | 05h 07m |
| 60 mph (96.56 km/h) | 04h 16m |
| 70 mph (112.65 km/h) | 03h 39m |
| 80 mph (129 km/h) | 03h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $47.25 | $94.51 |
| Mid-grade | $5.57 | $50.27 | $100.54 |
| Premium | $5.77 | $52.11 | $104.22 |
| Diesel | $5.47 | $49.37 | $98.73 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.