How far is Mount Vernon, WA from Kennewick, WA?
The driving distance from Mount Vernon, WA to Kennewick, WA is about 269.5 miles (433.7 km), with a travel time of about 04h 26m by car.
- The straight-line flight distance is about 213.8 miles (344.1 km).
- For a round trip, plan for roughly 08h 52m 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 26m.
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 Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Mount Vernon and Kennewick.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Vernon and Kennewick.
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1
Start on North 5th Street
723 ft · 39 sec · North 5th Street
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2
At the end of the road, turn left onto East Fulton Street
84 m · 15 sec · East Fulton Street
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3
Turn left onto North 4th Street
558 ft · 11 sec · North 4th Street
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4
Continue on South 2nd Street
1619 ft · 45 sec · South 2nd Street
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5
Turn left onto West Kincaid Street
993 ft · 22 sec · West Kincaid Street
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6
Take the ramp right toward I 5 North: Vancouver British Columbia
1869 ft · 46 sec
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7
Merge slight left
42.9 mi · 50 min
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8
Take the exit slight right toward I 405 South: Bellevue, Renton
1.5 km · 1 min
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9
Merge slight left
1.5 km · 1 min
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10
Keep slight right
17.1 mi · 21 min
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11
Take the exit slight right toward I 90: Spokane, Seattle
2527 ft · 1 min
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12
Keep slight left to continue on I 90 East: Spokane
2797 ft · 1 min
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13
Merge slight left
100.5 mi · 1 hr 52 min
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14
Take the exit slight right toward I 82 East, US 97 South: Yakima
37.8 mi · 43 min
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15
Keep slight left
64.1 mi · 1 hr 9 min
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16
Take the exit slight right toward I‑182 east, US 12 east: Richland, Pasco
5.5 mi · 6 min
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17
Take the exit slight right toward SR 240 east: Kennewick
7.3 mi · 9 min
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18
Enter the roundabout and take exit 2 toward West Columbia Drive
718 ft · 9 sec · West Columbia Drive
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19
Exit the roundabout onto West Columbia Drive
2794 ft · 1 min · West Columbia Drive
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20
Turn right onto North Fruitland Street
2961 ft · 2 min · North Fruitland Street
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21
Turn right onto West Kennewick Avenue
2790 ft · 1 min · West Kennewick Avenue
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22
Turn right onto North Newport Street
706 ft · 31 sec · North Newport Street
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23
Arrive at your destination
0 m · 1 sec · North Newport Street
Car Route Details
A richer read on the saved driving route between Mount Vernon and Kennewick.
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 East
Merge slight left
101 mi · 01h 52m
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 Mount Vernon and Sunny near Kennewick.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Vernon to Kennewick?
The road trip is about 269.5 miles (433.7 km) and usually takes 04h 26m 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?
Cle Elum is a useful midpoint, sitting about 140.4 miles from Mount Vernon and 129.1 miles from Kennewick.
How much longer is the road route than the straight-line distance?
The direct path is about 213.8 miles (344.1 km), while the road route adds roughly 55.7 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 8:08 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $49.77 one way or $99.53 round trip. Estimated CO2 is about 84.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Mount Vernon and Sunny near Kennewick.
Stop Ideas Near Cle Elum
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 Cle Elum.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Mount Vernon and Kennewick. Straight-line distance: 213.83 mi (344.13 km).
#1 Mount Vernon
City in Skagit County, Washington, United States
| Population | 36,336 |
| Coordinates | 48.4212200, -122.3340500 |
| Altitude | 29 |
| 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: 434 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 58m |
| 40 mph (64.37 km/h) | 06h 44m |
| 50 mph (80.47 km/h) | 05h 23m |
| 60 mph (96.56 km/h) | 04h 29m |
| 70 mph (112.65 km/h) | 03h 51m |
| 80 mph (129 km/h) | 03h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $49.77 | $99.53 |
| Mid-grade | $5.57 | $52.94 | $105.88 |
| Premium | $5.77 | $54.88 | $109.76 |
| Diesel | $5.47 | $51.99 | $103.98 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.