How far is Kennewick, WA from Mountlake Terrace, WA?

The driving distance from Kennewick, WA to Mountlake Terrace, WA is about 238.9 miles (384.4 km), with a travel time of about 04h 32m by car.

  • The straight-line flight distance is about 184.9 miles (297.6 km).
  • For a round trip, plan for roughly 09h 05m 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
238.84 mi
04h 32m
Flight
184.92 mi
297.6 km direct

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

Learn Distance

Choose another destination from Kennewick.

Flight Distance

Direct air line
184.92 mi
Kilometers
297.6 km
Flight Time
00h 22m

Driving Distance

Road route
238.84 mi
Kilometers
384.38 km
Drive Time
04h 32m

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 32m.

Arrival Snapshot
Arrive in Mountlake Terrace
Sun, Apr 19, 4:48 AM PDT
Return by in Kennewick
Sun, Apr 19, 9:21 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kennewick
2026-04-19T00:15
Arrive Mountlake Terrace
Sun, Apr 19, 4:48 AM PDT
Route Timing
04h 32m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
10:33 AM to 12:33 PM PDT

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

Leave by
7:54 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Kennewick
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 Kennewick
119.2 mi
02h 16m
To Mountlake Terrace
119.6 mi
02h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Sunday

Slight Chance Light Rain

Starts
Sun, Apr 19 6:00 AM PDT
Wind
5 to 9 mph N
Destination
62°F
Sunday

Chance Light Rain

Starts
Sun, Apr 19 6:00 AM PDT
Wind
2 to 6 mph NNE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Kennewick and Mountlake Terrace.

  1. 1

    Start on North Newport Street

    706 ft · 38 sec · North Newport Street

  2. 2

    Turn left onto West Kennewick Avenue

    2790 ft · 1 min · West Kennewick Avenue

  3. 3

    Turn left onto North Fruitland Street

    2961 ft · 2 min · North Fruitland Street

  4. 4

    Turn left onto West Columbia Drive

    2787 ft · 1 min · West Columbia Drive

  5. 5

    Enter the roundabout and take exit 1 toward the route

    669 ft · 9 sec

  6. 6

    Exit the roundabout

    6.4 mi · 8 min

  7. 7

    Keep slight right

    5.1 mi · 5 min

  8. 8

    Continue straight

    616 ft · 8 sec

  9. 9

    Keep slight right to continue on I 82 West, US 12 West: Prosser, Yakima

    70.9 mi · 1 hr 17 min

  10. 10

    Continue straight

    31 mi · 34 min

  11. 11

    Keep slight left to continue on I 90 West

    107.5 mi · 2 hr 2 min

  12. 12

    Continue on Mount Baker Ridge Tunnel

    1.3 mi · 2 min · Mount Baker Ridge Tunnel

  13. 13

    Take the exit slight right toward I 5 North: Vancouver British Columbia, James Street, Madison Street

    1.2 km · 1 min

  14. 14

    Keep slight left to continue on I 5 North: Vancouver British Columbia, Madison Street, Convention Center

    881 ft · 22 sec

  15. 15

    Keep slight left to continue on I 5 North: Everett, Vancouver

    2059 ft · 54 sec

  16. 16

    Merge slight left

    12.3 mi · 15 min

  17. 17

    Take the exit slight right toward 236th Street Southwest, Mountlake Terrace

    1746 ft · 47 sec

  18. 18

    Turn right onto 236th Street Southwest

    1634 ft · 1 min · 236th Street Southwest

  19. 19

    Turn left onto 56th Avenue West

    1209 ft · 40 sec · 56th Avenue West

  20. 20

    Turn left

    22 m · 5 sec

  21. 21

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
21 steps
8 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
8.8 / 100 mi
Decision points by distance
Main Roads
I 90 West
107 mi · 45%
I 82 West
102 mi · 43%
I 5 North
13.6 mi · 6%
West Columbia Drive
12.3 mi · 5%
Mount Baker Ridge Tunnel
1.34 mi · 1%
236th Street Southwest
0.64 mi
Longest Stretch

I 90 West

Keep slight left to continue on I 90 West

107 mi · 02h 02m

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
04h 32m
Long day trip
Same-Day Return
09h 06m
Round-trip wheel time
Road vs Air
+54 mi
184.9 mi direct line
Halfway Stop
Ellensburg
02h 16m from Kennewick
Leave By
7:54 AM PDT
Early departure recommended
Weather Watch

Slight Chance Light Rain leaving Kennewick and Chance Light Rain near Mountlake Terrace.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Kennewick to Mountlake Terrace?

The road trip is about 238.9 miles (384.4 km) and usually takes 04h 32m 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 119.2 miles from Kennewick and 119.6 miles from Mountlake Terrace.

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

The direct path is about 184.9 miles (297.6 km), while the road route adds roughly 54 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 7:54 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $44.11 one way or $88.23 round trip. Estimated CO2 is about 74.9 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Light Rain around Kennewick and Chance Light Rain near Mountlake Terrace.

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 Kennewick and Mountlake Terrace. Straight-line distance: 184.92 mi (297.6 km).

Kennewick

#1 Kennewick

The second most populous city in Benton County, Washington.

Population84,515
Coordinates46.2112500, -119.1372300
Altitude124
CountryUnited States
Mountlake Terrace

#2 Mountlake Terrace

City in Snohomish County, Washington, United States

Population21,315
Coordinates47.7881500, -122.3087400
Altitude140
CountryUnited States
Start: Kennewick (-119.13723, 46.21125)
End: Mountlake Terrace (-122.30874, 47.78815)

Estimated Travel Time

Distance: 384 km by road

SpeedTime
30 mph (48.3 km/h)07h 57m
40 mph (64.37 km/h)05h 58m
50 mph (80.47 km/h)04h 46m
60 mph (96.56 km/h)03h 58m
70 mph (112.65 km/h)03h 24m
80 mph (129 km/h)02h 58m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.43 gal
31.9 L · about $44.11
Round trip
$88.23
16.86 gal · 63.8 L
Estimated CO2
74.9 kg one way
Round trip: 149.8 kg / 330 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $44.11 $88.23
Mid-grade $5.57 $46.93 $93.86
Premium $5.77 $48.65 $97.30
Diesel $5.47 $46.09 $92.17

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 19, 2026

There is no time difference between Kennewick and Mountlake Terrace. The current time is 00:15:13.

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.