How far is Kennewick, WA from Martha Lake, WA?
The driving distance from Kennewick, WA to Martha Lake, WA is about 238.5 miles (383.8 km), with a travel time of about 04h 32m by car.
- The straight-line flight distance is about 184.9 miles (297.5 km).
- For a round trip, plan for roughly 09h 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 04h 32m.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Kennewick and Martha Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kennewick and Martha Lake.
-
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
-
10
Continue straight
31 mi · 34 min
-
11
Keep slight left to continue on I 90 West
101.4 mi · 1 hr 54 min
-
12
Take the exit slight right toward I 405: Renton, Everett
1138 ft · 28 sec
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13
Keep slight right to continue on I 405 North: Everett, Bellevue
2439 ft · 59 sec
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14
Merge slight left
8.1 mi · 10 min
-
15
Keep slight right
8.4 mi · 11 min
-
16
Keep slight right
1.9 mi · 2 min
-
17
Take the exit slight right toward I 5 North: Everett, Vancouver British Columbia
2843 ft · 49 sec
-
18
Merge slight left
1.1 km · 49 sec
-
19
Take the exit slight right toward 164th Street Southwest
2282 ft · 56 sec
-
20
Keep slight right to continue on 164th Street Southwest, Mill Creek
75 m · 7 sec
-
21
Turn straight onto 164th Street Southwest
1 km · 2 min · 164th Street Southwest
-
22
Turn left
110 m · 16 sec
-
23
Turn right onto East Shore Drive
109 m · 12 sec · East Shore Drive
-
24
Turn right onto Pitner Drive
130 m · 19 sec · Pitner Drive
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25
Arrive at your destination
0 m · 1 sec · Pitner Drive
Car Route Details
A richer read on the saved driving route between Kennewick and Martha Lake.
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 West
Keep slight left to continue on I 90 West
101 mi · 01h 54m
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.
Sunny leaving Kennewick and Sunny near Martha Lake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kennewick to Martha Lake?
The road trip is about 238.5 miles (383.8 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 119.1 miles from Kennewick and 119.4 miles from Martha Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 184.9 miles (297.5 km), while the road route adds roughly 53.6 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 7:56 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $44.06 one way or $88.12 round trip. Estimated CO2 is about 74.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Kennewick and Sunny near Martha Lake.
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 Kennewick and Martha Lake. Straight-line distance: 184.85 mi (297.48 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 Martha Lake
Census designated place
| Population | 15,473 |
| Coordinates | 47.8509300, -122.2393000 |
| Altitude | 143 |
| Country | United States |
End: Martha Lake (-122.2393, 47.85093)
Estimated Travel Time
Distance: 384 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 56m |
| 40 mph (64.37 km/h) | 05h 57m |
| 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.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $44.06 | $88.12 |
| Mid-grade | $5.57 | $46.87 | $93.75 |
| Premium | $5.77 | $48.59 | $97.18 |
| Diesel | $5.47 | $46.03 | $92.06 |
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.