How far is Mountlake Terrace, WA from Kennewick, WA?
The driving distance from Mountlake Terrace, WA to Kennewick, WA is about 227.3 miles (365.8 km), with a travel time of about 03h 48m by car.
- The straight-line flight distance is about 184.9 miles (297.6 km).
- For a round trip, plan for roughly 07h 37m 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 03h 48m.
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.
Mostly Cloudy then Slight Chance Light Rain
Partly Sunny
Driving Route Map
The map below follows the saved road route between Mountlake Terrace and Kennewick.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mountlake Terrace and Kennewick.
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1
Start on the route
22 m · 8 sec
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2
Turn right onto 56th Avenue West
1209 ft · 39 sec · 56th Avenue West
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3
Turn right onto 236th Street Southwest
2230 ft · 1 min · 236th Street Southwest
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4
Take the ramp left toward I 5 South: Seattle
1490 ft · 36 sec
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5
Keep slight left to continue on I 5 South: Seattle
1 km · 1 min
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6
Merge slight left
11.8 mi · 15 min
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7
Take the exit slight right toward Bellevue, Spokane
1.2 km · 1 min
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8
Keep slight left to continue on I 90 East, I 5 South: Bellevue, Portland
45 m · 2 sec
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9
Keep slight left to continue on I 90 East: Bellevue, Spokane
2257 ft · 55 sec
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10
Merge slight left
1.6 km · 1 min
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11
Keep slight left to continue on Mount Baker Ridge Tunnel
107 mi · 2 hr · Mount Baker Ridge Tunnel
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12
Take the exit slight right toward I 82 East, US 97 South: Yakima
37.8 mi · 43 min
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13
Keep slight left
64.1 mi · 1 hr 9 min
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14
Take the exit slight right toward I‑182 east, US 12 east: Richland, Pasco
5.5 mi · 6 min
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15
Take the exit slight right toward SR 240 east: Kennewick
7.3 mi · 9 min
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16
Enter the roundabout and take exit 2 toward West Columbia Drive
718 ft · 9 sec · West Columbia Drive
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17
Exit the roundabout onto West Columbia Drive
2794 ft · 1 min · West Columbia Drive
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18
Turn right onto North Fruitland Street
2961 ft · 2 min · North Fruitland Street
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19
Turn right onto West Kennewick Avenue
2790 ft · 1 min · West Kennewick Avenue
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20
Turn right onto North Newport Street
706 ft · 31 sec · North Newport Street
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21
Arrive at your destination
0 m · 1 sec · North Newport Street
Car Route Details
A richer read on the saved driving route between Mountlake Terrace and Kennewick.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
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.
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 Cloudy then Slight Chance Light Rain leaving Mountlake Terrace and Partly Sunny near Kennewick.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mountlake Terrace to Kennewick?
The road trip is about 227.3 miles (365.8 km) and usually takes 03h 48m 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 119.4 miles from Mountlake Terrace and 107.9 miles from Kennewick.
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 42.4 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 9:22 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $41.97 one way or $83.94 round trip. Estimated CO2 is about 71.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Slight Chance Light Rain around Mountlake Terrace and Partly Sunny near Kennewick.
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 Mountlake Terrace and Kennewick. Straight-line distance: 184.92 mi (297.6 km).
#1 Mountlake Terrace
City in Snohomish County, Washington, United States
| Population | 21,315 |
| Coordinates | 47.7881500, -122.3087400 |
| Altitude | 140 |
| Country | United States |
#2 Kennewick
The second most populous city in Benton County, Washington.
| Population | 84,515 |
| Coordinates | 46.2112500, -119.1372300 |
| Altitude | 124 |
| Country | United States |
End: North Newport Street (-119.137182, 46.21125)
Estimated Travel Time
Distance: 366 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 34m |
| 40 mph (64.37 km/h) | 05h 41m |
| 50 mph (80.47 km/h) | 04h 32m |
| 60 mph (96.56 km/h) | 03h 47m |
| 70 mph (112.65 km/h) | 03h 14m |
| 80 mph (129 km/h) | 02h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $41.97 | $83.94 |
| Mid-grade | $5.57 | $44.65 | $89.29 |
| Premium | $5.77 | $46.28 | $92.57 |
| Diesel | $5.47 | $43.85 | $87.69 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.