How far is Kennewick, WA from Sequim, WA?

The driving distance from Kennewick, WA to Sequim, WA is about 327.3 miles (526.7 km), with a travel time of about 06h 34m by car.

  • The straight-line flight distance is about 226.6 miles (364.7 km).
  • For a round trip, plan for roughly 13h 08m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
327.28 mi
06h 34m
Flight
226.63 mi
364.73 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
226.63 mi
Kilometers
364.73 km
Flight Time
00h 27m

Driving Distance

Road route
327.28 mi
Kilometers
526.7 km
Drive Time
06h 34m

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 06h 34m.

Arrival Snapshot
Arrive in Sequim
Tue, Jun 2, 4:01 AM PDT
Return by in Kennewick
Tue, Jun 2, 10:35 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kennewick
2026-06-01T21:27
Arrive Sequim
Tue, Jun 2, 4:01 AM PDT
Route Timing
06h 34m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
12:34 PM to 2:04 PM PDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
10:52 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Kennewick
8:00 PM PDT
Overnight-style route

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
Roslyn
WA

City in Kittitas County, Washington, USA

From Kennewick
163.4 mi
03h 17m
To Sequim
163.9 mi
03h 17m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
This Afternoon

Partly Sunny

Starts
Mon, Jun 1 3:00 PM PDT
Wind
7 mph N
Destination
74°F
This Afternoon

Partly Sunny

Starts
Mon, Jun 1 5:00 PM PDT
Wind
2 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on North Newport Street

    706 ft · 38 sec · North Newport Street

  2. 2

    Turn left onto West Kennewick Avenue

    2790 ft · 1 min · West Kennewick Avenue

  3. 3

    Turn left onto North Fruitland Street

    2961 ft · 2 min · North Fruitland Street

  4. 4

    Turn left onto West Columbia Drive

    2787 ft · 1 min · West Columbia Drive

  5. 5

    Enter the roundabout and take exit 1 toward the route

    669 ft · 9 sec

  6. 6

    Exit the roundabout

    6.4 mi · 8 min

  7. 7

    Keep slight right

    5.1 mi · 5 min

  8. 8

    Continue straight

    616 ft · 8 sec

  9. 9

    Keep slight right to continue on I 82 West, US 12 West: Prosser, Yakima

    70.9 mi · 1 hr 17 min

  10. 10

    Continue straight

    31 mi · 34 min

  11. 11

    Keep slight left to continue on I 90 West

    85.7 mi · 1 hr 36 min

  12. 12

    Take the exit slight right toward WA 18 West: Auburn

    1248 ft · 30 sec

  13. 13

    Keep slight left to continue on SR 18 west, Snoqualmie Parkway: Auburn, Tacoma

    137 m · 13 sec

  14. 14

    Merge slight right onto Snoqualmie Parkway

    1780 ft · 25 sec · Snoqualmie Parkway

  15. 15

    Continue on State Route 18

    26.7 mi · 34 min · State Route 18

  16. 16

    Take the exit slight right toward I 5: Seattle, Tacoma

    2980 ft · 1 min

  17. 17

    Keep slight left to continue on I 5 South, WA 161: Enchanted Parkway South, Tacoma

    3094 ft · 1 min

  18. 18

    Keep slight left to continue on I 5 South: Tacoma

    1297 ft · 32 sec

  19. 19

    Merge slight left

    7.2 mi · 9 min

  20. 20

    Keep slight right

    1.3 mi · 2 min

  21. 21

    Take the exit slight right toward WA 16 West: Gig Harbor, Bremerton

    3005 ft · 1 min

  22. 22

    Keep slight left to continue on WA 16 West: Union Avenue

    2518 ft · 46 sec

  23. 23

    Merge slight left

    28.3 mi · 37 min

  24. 24

    Continue on State Highway 3 Northwest

    23.3 mi · 31 min · State Highway 3 Northwest

  25. 25

    Turn left onto Hood Canal Bridge

    617 ft · 13 sec · Hood Canal Bridge

  26. 26

    Continue on Hood Canal Floating Bridge

    1.5 mi · 3 min · Hood Canal Floating Bridge

  27. 27

    Continue on State Route 104

    794 ft · 17 sec · State Route 104

  28. 28

    Enter the roundabout and take exit 2 toward State Route 104

    36 m · 2 sec · State Route 104

  29. 29

    Exit the roundabout onto State Route 104

    4.9 mi · 6 min · State Route 104

  30. 30

    Enter the roundabout and take exit 2 toward State Route 104

    43 m · 2 sec · State Route 104

  31. 31

    Exit the roundabout onto State Route 104

    8.7 mi · 11 min · State Route 104

  32. 32

    Keep slight right to continue on State Highway 104

    2101 ft · 30 sec · State Highway 104

  33. 33

    Merge slight left onto Olympic Highway

    19.6 mi · 28 min · Olympic Highway

  34. 34

    Take the exit slight right

    1419 ft · 42 sec

  35. 35

    Turn right onto South Sequim Avenue

    2153 ft · 47 sec · South Sequim Avenue

  36. 36

    Arrive at your destination

    0 m · 1 sec · South Sequim Avenue

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
36 steps
11 turns on the saved route
Ramps & Exits
14
4 merges, 10 ramps or exits
Navigation Density
11 / 100 mi
Decision points by distance
Main Roads
I 82 West
102 mi · 31%
I 90 West
85.7 mi · 26%
WA 16 West
29.3 mi · 9%
State Route 18
26.7 mi · 8%
State Highway 3 Northwest
23.3 mi · 7%
Olympic Highway
19.9 mi · 6%
Longest Stretch

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.

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 34m
Overnight route
Same-Day Return
13h 08m
Round-trip wheel time
Road vs Air
+100.7 mi
226.6 mi direct line
Halfway Stop
Roslyn
03h 17m from Kennewick
Leave By
10:52 PM PDT
Overnight-style route
Weather Watch

Partly Sunny leaving Kennewick and Partly Sunny near Sequim.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 327.3 miles (526.7 km) and usually takes 06h 34m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Roslyn is a useful midpoint, sitting about 163.4 miles from Kennewick and 163.9 miles from Sequim.

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

The direct path is about 226.6 miles (364.7 km), while the road route adds roughly 100.7 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 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $60.44 one way or $120.88 round trip. Estimated CO2 is about 102.6 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Kennewick and Partly Sunny near Sequim.

Stop Ideas Near Roslyn

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

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

BUS

Leavenworth, Washington

48 mi away
Hwy 2 and 12th St.
RAIL

Leavenworth

50 mi away
11645 North Rd
RAIL

Columbia Station

56 mi away
Kittitas & South Columbia Sts.
BUS

Stevens Pass, Washington

56 mi away
US Highway 2 at Summit Parking Lot

Flight Path Map

This map shows the direct air route between Kennewick and Sequim. Straight-line distance: 226.63 mi (364.73 km).

Kennewick

#1 Kennewick

The second most populous city in Benton County, Washington.

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

#2 Sequim

City in Clallam County, Washington, United States

Population7,780
Coordinates48.0796300, -123.1023400
Altitude55
CountryUnited States
Start: Kennewick (-119.13723, 46.21125)
End: Sequim (-123.10234, 48.07963)

Estimated Travel Time

Distance: 527 km by road

SpeedTime
30 mph (48.3 km/h)10h 54m
40 mph (64.37 km/h)08h 10m
50 mph (80.47 km/h)06h 32m
60 mph (96.56 km/h)05h 27m
70 mph (112.65 km/h)04h 40m
80 mph (129 km/h)04h 04m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.55 gal
43.72 L · about $60.44
Round trip
$120.88
23.1 gal · 87.44 L
Estimated CO2
102.6 kg one way
Round trip: 205.3 kg / 453 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $60.44 $120.88
Mid-grade $5.57 $64.30 $128.60
Premium $5.77 $66.66 $133.31
Diesel $5.47 $63.14 $126.29

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 · Jun 02, 2026

There is no time difference between Kennewick and Sequim. The current time is 21:27:20.

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.