How far is Kennewick, WA from Milton, WA?
The driving distance from Kennewick, WA to Milton, WA is about 233.5 miles (375.8 km), with a travel time of about 04h 29m by car.
- The straight-line flight distance is about 166.6 miles (268.1 km).
- For a round trip, plan for roughly 08h 58m 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 29m.
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
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Kennewick and Milton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kennewick and Milton.
-
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
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10
Continue straight
31 mi · 34 min
-
11
Keep slight left to continue on I 90 West
85.7 mi · 1 hr 36 min
-
12
Take the exit slight right toward WA 18 West: Auburn
1248 ft · 30 sec
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13
Keep slight left to continue on SR 18 west, Snoqualmie Parkway: Auburn, Tacoma
137 m · 13 sec
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14
Merge slight right onto Snoqualmie Parkway
1780 ft · 25 sec · Snoqualmie Parkway
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15
Continue on State Route 18
27.9 mi · 36 min · State Route 18
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16
Turn left onto 16th Avenue South
124 m · 9 sec · 16th Avenue South
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17
Continue on Enchanted Parkway South
1521 ft · 35 sec · Enchanted Parkway South
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18
Keep slight left to continue on Enchanted Parkway South
1.7 mi · 3 min · Enchanted Parkway South
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19
Turn slight right onto 28th Avenue South
1737 ft · 43 sec · 28th Avenue South
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20
Turn slight right onto 27th Avenue
2791 ft · 1 min · 27th Avenue
-
21
Turn right onto Milton Way
1.1 km · 1 min · Milton Way
-
22
Turn slight left onto 16th Avenue
83 m · 15 sec · 16th Avenue
-
23
Turn left onto Maine Street
38 m · 6 sec · Maine Street
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24
Turn right
13 m · 3 sec
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25
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Kennewick and Milton.
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
85.7 mi · 01h 36m
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 Kennewick and Mostly Sunny near Milton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kennewick to Milton?
The road trip is about 233.5 miles (375.8 km) and usually takes 04h 29m 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 116.6 miles from Kennewick and 116.9 miles from Milton.
How much longer is the road route than the straight-line distance?
The direct path is about 166.6 miles (268.1 km), while the road route adds roughly 66.9 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 8:02 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $43.12 one way or $86.24 round trip. Estimated CO2 is about 73.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Kennewick and Mostly Sunny near Milton.
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 Milton. Straight-line distance: 166.57 mi (268.07 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 Milton
City in Washington, USA
| Population | 8,222 |
| Coordinates | 47.2481600, -122.3129000 |
| Altitude | 93 |
| Country | United States |
End: Milton (-122.3129, 47.24816)
Estimated Travel Time
Distance: 376 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 46m |
| 40 mph (64.37 km/h) | 05h 50m |
| 50 mph (80.47 km/h) | 04h 40m |
| 60 mph (96.56 km/h) | 03h 53m |
| 70 mph (112.65 km/h) | 03h 20m |
| 80 mph (129 km/h) | 02h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $43.12 | $86.24 |
| Mid-grade | $5.57 | $45.87 | $91.74 |
| Premium | $5.77 | $47.55 | $95.11 |
| Diesel | $5.47 | $45.05 | $90.10 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.