How far is Seattle, WA from Kennewick, WA?

The driving distance from Seattle, WA to Kennewick, WA is about 214.3 miles (344.9 km), with a travel time of about 03h 33m by car.

  • The straight-line flight distance is about 179 miles (288 km).
  • For a round trip, plan for roughly 07h 07m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
214.3 mi
03h 33m
Flight
178.95 mi
287.99 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Seattle.

Flight Distance

Direct air line
178.95 mi
Kilometers
287.99 km
Flight Time
00h 21m

Driving Distance

Road route
214.3 mi
Kilometers
344.88 km
Drive Time
03h 33m

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 03h 33m.

Arrival Snapshot
Arrive in Kennewick
Wed, Apr 22, 8:00 PM PDT
Return by in Seattle
Wed, Apr 22, 11:34 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Seattle
2026-04-22T16:26
Arrive Kennewick
Wed, Apr 22, 8:00 PM PDT
Route Timing
03h 33m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
9:34 AM to 11:34 AM PDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:52 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Seattle
9:00 PM PDT
Early departure recommended

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.

Mid-route stop
Ellensburg
WA

City in Kittitas County, Washington, United States

From Seattle
112.9 mi
01h 46m
To Kennewick
101.4 mi
01h 46m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Wednesday

Light Rain Likely

Starts
Wed, Apr 22 6:00 AM PDT
Wind
7 to 10 mph SSW
Destination
59°F
Wednesday

Rain Likely

Starts
Wed, Apr 22 6:00 AM PDT
Wind
15 to 20 mph SW

Driving Route Map

The map below follows the saved road route between Seattle and Kennewick.

Turn-by-Turn Driving Directions

Step-by-step road directions between Seattle and Kennewick.

  1. 1

    Start on the route

    9 m · 8 sec

  2. 2

    Turn left onto Madison Street

    62 m · 11 sec · Madison Street

  3. 3

    Turn right onto 4th Avenue

    94 m · 15 sec · 4th Avenue

  4. 4

    Turn right onto Spring Street

    647 ft · 26 sec · Spring Street

  5. 5

    Take the ramp right toward I 5 South: Portland

    1151 ft · 28 sec

  6. 6

    Continue straight

    3180 ft · 1 min

  7. 7

    Keep slight left to continue on I 90 East, I 5 South: Bellevue, Portland

    45 m · 2 sec

  8. 8

    Keep slight left to continue on I 90 East: Bellevue, Spokane

    2257 ft · 55 sec

  9. 9

    Merge slight left

    1.6 km · 1 min

  10. 10

    Keep slight left to continue on Mount Baker Ridge Tunnel

    107 mi · 2 hr · Mount Baker Ridge Tunnel

  11. 11

    Take the exit slight right toward I 82 East, US 97 South: Yakima

    37.8 mi · 43 min

  12. 12

    Keep slight left

    64.1 mi · 1 hr 9 min

  13. 13

    Take the exit slight right toward I‑182 east, US 12 east: Richland, Pasco

    5.5 mi · 6 min

  14. 14

    Take the exit slight right toward SR 240 east: Kennewick

    7.3 mi · 9 min

  15. 15

    Enter the roundabout and take exit 2 toward West Columbia Drive

    718 ft · 9 sec · West Columbia Drive

  16. 16

    Exit the roundabout onto West Columbia Drive

    2794 ft · 1 min · West Columbia Drive

  17. 17

    Turn right onto North Fruitland Street

    2961 ft · 2 min · North Fruitland Street

  18. 18

    Turn right onto West Kennewick Avenue

    2790 ft · 1 min · West Kennewick Avenue

  19. 19

    Turn right onto North Newport Street

    706 ft · 31 sec · North Newport Street

  20. 20

    Arrive at your destination

    0 m · 1 sec · North Newport Street

Car Route Details

A richer read on the saved driving route between Seattle and Kennewick.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
20 steps
8 turns on the saved route
Ramps & Exits
7
1 merges, 6 ramps or exits
Navigation Density
9.3 / 100 mi
Decision points by distance
Main Roads
Mount Baker Ridge Tunnel
107 mi · 50%
I 82 East
102 mi · 48%
SR 240 east
7.29 mi · 3%
I‑182 east
5.55 mi · 3%
I 90 East
1.44 mi · 1%
I 5 South
0.82 mi
Longest Stretch

Mount Baker Ridge Tunnel

Keep slight left to continue on Mount Baker Ridge Tunnel

107 mi · 02h 00m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
03h 33m
Long day trip
Same-Day Return
07h 08m
Round-trip wheel time
Road vs Air
+35.3 mi
179 mi direct line
Halfway Stop
Ellensburg
01h 46m from Seattle
Leave By
9:52 AM PDT
Early departure recommended
Weather Watch

Light Rain Likely leaving Seattle and Rain Likely near Kennewick.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Seattle to Kennewick?

The road trip is about 214.3 miles (344.9 km) and usually takes 03h 33m 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 112.9 miles from Seattle and 101.4 miles from Kennewick.

How much longer is the road route than the straight-line distance?

The direct path is about 179 miles (288 km), while the road route adds roughly 35.3 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 9:52 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $39.56 one way or $79.12 round trip. Estimated CO2 is about 67.2 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain Likely around Seattle and Rain Likely near Kennewick.

Stop Ideas Near Ellensburg

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Ellensburg, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Ellensburg.

RAIL

Columbia Station

51 mi away
Kittitas & South Columbia Sts.
BUS

Quincy, Washington

59 mi away
102 B St NE
BUS

Leavenworth, Washington

67 mi away
Hwy 2 and 12th St.
RAIL

Leavenworth

68 mi away
11645 North Rd

Flight Path Map

This map shows the direct air route between Seattle and Kennewick. Straight-line distance: 178.95 mi (287.99 km).

Seattle

#1 Seattle

The eighteenth most populous city in the United States and the center of the Seattle metropolitan area.

Population769,714
Coordinates47.6062100, -122.3320700
Altitude56
CountryUnited States
Kennewick

#2 Kennewick

The second most populous city in Benton County, Washington.

Population84,515
Coordinates46.2112500, -119.1372300
Altitude124
CountryUnited States
Start: (-122.332143, 47.606309)
End: North Newport Street (-119.137182, 46.21125)

Estimated Travel Time

Distance: 345 km by road

SpeedTime
30 mph (48.3 km/h)07h 08m
40 mph (64.37 km/h)05h 21m
50 mph (80.47 km/h)04h 17m
60 mph (96.56 km/h)03h 34m
70 mph (112.65 km/h)03h 03m
80 mph (129 km/h)02h 40m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.56 gal
28.63 L · about $39.56
Round trip
$79.12
15.12 gal · 57.26 L
Estimated CO2
67.2 kg one way
Round trip: 134.4 kg / 296 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $39.56 $79.12
Mid-grade $5.57 $42.09 $84.17
Premium $5.77 $43.63 $87.26
Diesel $5.47 $41.33 $82.66

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 22, 2026

There is no time difference between Seattle and Kennewick. The current time is 16:26:56.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.