How far is Kennewick, WA from Sunnyside, WA?

The driving distance from Kennewick, WA to Sunnyside, WA is about 203.9 miles (328.2 km), with a travel time of about 04h 03m by car.

  • The straight-line flight distance is about 160.3 miles (258 km).
  • For a round trip, plan for roughly 08h 06m 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
203.96 mi
04h 03m
Flight
160.32 mi
258.01 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
160.32 mi
Kilometers
258.01 km
Flight Time
00h 19m

Driving Distance

Road route
203.96 mi
Kilometers
328.24 km
Drive Time
04h 03m

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 03m.

Arrival Snapshot
Arrive in Sunnyside
Thu, Apr 23, 4:44 AM PDT
Return by in Kennewick
Thu, Apr 23, 8:47 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kennewick
2026-04-23T00:40
Arrive Sunnyside
Thu, Apr 23, 4:44 AM PDT
Route Timing
04h 03m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
10:03 AM to 12:03 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
8:54 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
Goldendale
WA

City in Washington state

From Kennewick
101.8 mi
02h 01m
To Sunnyside
102.2 mi
02h 01m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
65°F
Thursday

Slight Chance Light Rain then Mostly Sunny

Starts
Thu, Apr 23 6:00 AM PDT
Wind
9 mph NW
Destination
64°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM PDT
Wind
3 to 8 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Kennewick and Sunnyside.

  1. 1

    Start on North Newport Street

    706 ft · 36 sec · North Newport Street

  2. 2

    Turn right onto West Kennewick Avenue

    46 m · 11 sec · West Kennewick Avenue

  3. 3

    Turn left onto South Olympia Street

    1.2 km · 1 min · South Olympia Street

  4. 4

    Turn right onto West 10th Avenue

    1 mi · 2 min · West 10th Avenue

  5. 5

    Turn left onto Lewis and Clark Trail Highway

    33.4 mi · 38 min · Lewis and Clark Trail Highway

  6. 6

    Keep slight right to continue on I 84 West: Portland

    3223 ft · 1 min

  7. 7

    Merge slight left onto Old Oregon Trail Highway

    11.3 mi · 12 min · Old Oregon Trail Highway

  8. 8

    Continue on Columbia River Highway

    122.6 mi · 2 hr 14 min · Columbia River Highway

  9. 9

    Take the exit slight right toward Cascade Locks

    1.6 mi · 3 min

  10. 10

    Turn left onto Bridge of the Gods

    1.1 km · 3 min · Bridge of the Gods

  11. 11

    At the end of the road, turn left onto Evergreen Highway

    19.9 mi · 28 min · Evergreen Highway

  12. 12

    Continue on Southeast Lewis and Clark Highway

    4.5 mi · 6 min · Southeast Lewis and Clark Highway

  13. 13

    Enter the roundabout and take exit 2 toward Lewis and Clark Highway

    45 m · 2 sec · Lewis and Clark Highway

  14. 14

    Exit the roundabout onto Lewis and Clark Highway

    1.5 km · 1 min · Lewis and Clark Highway

  15. 15

    Enter the roundabout and take exit 1 toward Washougal River Road

    4 m · 1 sec · Washougal River Road

  16. 16

    Exit the roundabout onto Washougal River Road

    1.4 mi · 4 min · Washougal River Road

  17. 17

    Continue on Southeast Washougal River Road

    1.2 mi · 2 min · Southeast Washougal River Road

  18. 18

    Turn left onto Southeast Blair Road

    3.1 mi · 5 min · Southeast Blair Road

  19. 19

    Turn right onto Northeast Reilly Road

    1 km · 57 sec · Northeast Reilly Road

  20. 20

    Continue on Northeast 292nd Avenue

    1341 ft · 25 sec · Northeast 292nd Avenue

  21. 21

    Turn right onto Northeast Stauffer Road

    42 m · 4 sec · Northeast Stauffer Road

  22. 22

    Arrive at your destination

    0 m · 1 sec · Northeast Stauffer Road

Car Route Details

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

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
22 steps
13 turns on the saved route
Ramps & Exits
6
1 merges, 5 ramps or exits
Navigation Density
10.8 / 100 mi
Decision points by distance
Main Roads
Columbia River Highway
123 mi · 60%
Lewis and Clark Trail Highway
33.4 mi · 16%
Evergreen Highway
19.9 mi · 10%
Old Oregon Trail Highway
11.3 mi · 6%
Southeast Lewis and Clark Highway
4.49 mi · 2%
Southeast Blair Road
3.11 mi · 2%
Longest Stretch

Columbia River Highway

Continue on Columbia River Highway

123 mi · 02h 14m

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 03m
Long day trip
Same-Day Return
08h 06m
Round-trip wheel time
Road vs Air
+43.6 mi
160.3 mi direct line
Halfway Stop
Goldendale
02h 01m from Kennewick
Leave By
8:54 AM PDT
Early departure recommended
Weather Watch

Slight Chance Light Rain then Mostly Sunny leaving Kennewick and Mostly Sunny near Sunnyside.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Kennewick to Sunnyside?

The road trip is about 203.9 miles (328.2 km) and usually takes 04h 03m 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?

Goldendale is a useful midpoint, sitting about 101.8 miles from Kennewick and 102.2 miles from Sunnyside.

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

The direct path is about 160.3 miles (258 km), while the road route adds roughly 43.6 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 8:54 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $37.68 one way or $75.36 round trip. Estimated CO2 is about 64 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Light Rain then Mostly Sunny around Kennewick and Mostly Sunny near Sunnyside.

Stop Ideas Near Goldendale

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Goldendale, 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 Goldendale.

RAIL

Wishram

21 mi away
1 Railroad Avenue
BUS

The Dalles, Oregon

37 mi away
201 East Federal Street
RAIL

Bingen – White Salmon

52 mi away
Hwy 14 and Walnut St.
BUS

Hood River, Oregon

56 mi away
600 E. Marina Way

Flight Path Map

This map shows the direct air route between Kennewick and Sunnyside. Straight-line distance: 160.32 mi (258.01 km).

Kennewick

#1 Kennewick

The second most populous city in Benton County, Washington.

Population84,515
Coordinates46.2112500, -119.1372300
Altitude124
CountryUnited States
Sunnyside

#2 Sunnyside

City in Washington, United States

Population16,924
Coordinates45.6437300, -122.3720400
Altitude121
CountryUnited States
Start: Kennewick (-119.13723, 46.21125)
End: Sunnyside (-122.37204, 45.64373)

Estimated Travel Time

Distance: 328 km by road

SpeedTime
30 mph (48.3 km/h)06h 47m
40 mph (64.37 km/h)05h 05m
50 mph (80.47 km/h)04h 04m
60 mph (96.56 km/h)03h 23m
70 mph (112.65 km/h)02h 54m
80 mph (129 km/h)02h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.2 gal
27.24 L · about $37.68
Round trip
$75.36
14.4 gal · 54.48 L
Estimated CO2
64 kg one way
Round trip: 128 kg / 282 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $37.68 $75.36
Mid-grade $5.57 $40.08 $80.16
Premium $5.77 $41.55 $83.10
Diesel $5.47 $39.36 $78.72

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 23, 2026

There is no time difference between Kennewick and Sunnyside. The current time is 00:40:47.

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.