How far is Kent, WA from Grand Coulee, WA?

The driving distance from Kent, WA to Grand Coulee, WA is about 226.4 miles (364.4 km), with a travel time of about 04h 39m by car.

  • The straight-line flight distance is about 155.3 miles (249.9 km).
  • For a round trip, plan for roughly 09h 19m 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
226.45 mi
04h 39m
Flight
155.27 mi
249.89 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Kent.

Flight Distance

Direct air line
155.27 mi
Kilometers
249.89 km
Flight Time
00h 18m

Driving Distance

Road route
226.45 mi
Kilometers
364.43 km
Drive Time
04h 39m

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 39m.

Arrival Snapshot
Arrive in Grand Coulee
Sun, Apr 19, 10:36 AM PDT
Return by in Kent
Sun, Apr 19, 3:15 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kent
2026-04-19T05:56
Arrive Grand Coulee
Sun, Apr 19, 10:36 AM PDT
Route Timing
04h 39m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
10:40 AM to 12:40 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
7:40 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Kent
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
Kittitas
WA

City in Kittitas County, Washington, United States

From Kent
113 mi
02h 19m
To Grand Coulee
113.4 mi
02h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Sunday

Chance Light Rain

Starts
Sun, Apr 19 6:00 AM PDT
Wind
2 to 6 mph N
Destination
68°F
Sunday

Chance Light Rain

Starts
Sun, Apr 19 6:00 AM PDT
Wind
6 to 10 mph SE

Driving Route Map

The map below follows the saved road route between Kent and Grand Coulee.

Turn-by-Turn Driving Directions

Step-by-step road directions between Kent and Grand Coulee.

  1. 1

    Start on 2nd Avenue South

    3 m · 8 sec · 2nd Avenue South

  2. 2

    Turn left onto West Gowe Street

    1650 ft · 52 sec · West Gowe Street

  3. 3

    Continue on East Titus Street

    1075 ft · 36 sec · East Titus Street

  4. 4

    Turn right onto East Smith Street

    602 ft · 20 sec · East Smith Street

  5. 5

    Continue on Canyon Drive

    1.5 km · 2 min · Canyon Drive

  6. 6

    Continue on Southeast 256th Street

    1998 ft · 50 sec · Southeast 256th Street

  7. 7

    Keep slight right to continue on Southeast Kent Kangley Road

    1.9 mi · 3 min · Southeast Kent Kangley Road

  8. 8

    Continue on Southeast Kent-Kangley Road

    624 ft · 14 sec · Southeast Kent-Kangley Road

  9. 9

    Continue on Southeast 272nd Street

    2.1 mi · 4 min · Southeast 272nd Street

  10. 10

    Turn left onto WA 18 East: North Bend

    2183 ft · 55 sec

  11. 11

    Merge slight left onto State Route 18

    15.7 mi · 20 min · State Route 18

  12. 12

    Continue on Snoqualmie Parkway

    656 ft · 8 sec · Snoqualmie Parkway

  13. 13

    Take the exit slight right toward I 90 East: Spokane

    3019 ft · 1 min

  14. 14

    Merge slight left

    125.5 mi · 2 hr 17 min

  15. 15

    Take the exit slight right toward WA 283 North: Ephrata, Soap Lake

    2490 ft · 1 min

  16. 16

    Continue on Burke Spur

    689 ft · 10 sec · Burke Spur

  17. 17

    Turn right

    20 mi · 27 min

  18. 18

    Turn right onto 5th Avenue Southwest

    120 m · 14 sec · 5th Avenue Southwest

  19. 19

    Turn left onto Alder Street Southwest

    2032 ft · 56 sec · Alder Street Southwest

  20. 20

    Continue on Alder Street Northwest

    1.6 mi · 3 min · Alder Street Northwest

  21. 21

    Turn right

    3.7 mi · 5 min

  22. 22

    Turn left

    21.3 mi · 29 min

  23. 23

    At the end of the road, turn right onto Coulee Corridor / Sunset Highway

    4.3 mi · 6 min · Coulee Corridor / Sunset Highway

  24. 24

    Continue on Coulee Boulevard

    25.1 mi · 33 min · Coulee Boulevard

  25. 25

    Continue on Grand Coulee Avenue

    2795 ft · 57 sec · Grand Coulee Avenue

  26. 26

    Continue on Midway Avenue

    1992 ft · 1 min · Midway Avenue

  27. 27

    Turn right onto Spokane Way

    6 m · 1 sec · Spokane Way

  28. 28

    Arrive at your destination

    0 m · 1 sec · Spokane Way

Car Route Details

A richer read on the saved driving route between Kent and Grand Coulee.

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
28 steps
10 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
12.4 / 100 mi
Decision points by distance
Main Roads
I 90 East
126 mi · 56%
Coulee Boulevard
25.1 mi · 11%
State Route 18
15.7 mi · 7%
Coulee Corridor / Sunset Highway
4.32 mi · 2%
Southeast 272nd Street
2.14 mi · 1%
Southeast Kent Kangley Road
1.89 mi · 1%
Longest Stretch

I 90 East

Merge slight left

126 mi · 02h 17m

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 39m
Long day trip
Same-Day Return
09h 20m
Round-trip wheel time
Road vs Air
+71.1 mi
155.3 mi direct line
Halfway Stop
Kittitas
02h 19m from Kent
Leave By
7:40 AM PDT
Early departure recommended
Weather Watch

Chance Light Rain leaving Kent and Chance Light Rain near Grand Coulee.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Kent to Grand Coulee?

The road trip is about 226.4 miles (364.4 km) and usually takes 04h 39m 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?

Kittitas is a useful midpoint, sitting about 113 miles from Kent and 113.4 miles from Grand Coulee.

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

The direct path is about 155.3 miles (249.9 km), while the road route adds roughly 71.1 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 7:40 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $41.81 one way or $83.62 round trip. Estimated CO2 is about 71 kg one way.

What should you check before leaving?

Before you leave, expect Chance Light Rain around Kent and Chance Light Rain near Grand Coulee.

Stop Ideas Near Kittitas

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

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

RAIL

Columbia Station

49 mi away
Kittitas & South Columbia Sts.
BUS

Quincy, Washington

52 mi away
102 B St NE
BUS

Leavenworth, Washington

71 mi away
Hwy 2 and 12th St.
RAIL

Leavenworth

71 mi away
11645 North Rd

Flight Path Map

This map shows the direct air route between Kent and Grand Coulee. Straight-line distance: 155.27 mi (249.89 km).

Kent

#1 Kent

The fourth most populous city in King County, Washington.

Population130,676
Coordinates47.3809300, -122.2348400
Altitude13
CountryUnited States
Grand Coulee

#2 Grand Coulee

City in Grant County, Washington, United States

Population1,050
Coordinates47.9415400, -119.0033500
Altitude452
CountryUnited States
Start: Kent (-122.23484, 47.38093)
End: Grand Coulee (-119.00335, 47.94154)

Estimated Travel Time

Distance: 364 km by road

SpeedTime
30 mph (48.3 km/h)07h 32m
40 mph (64.37 km/h)05h 39m
50 mph (80.47 km/h)04h 31m
60 mph (96.56 km/h)03h 46m
70 mph (112.65 km/h)03h 14m
80 mph (129 km/h)02h 49m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.99 gal
30.25 L · about $41.81
Round trip
$83.62
15.98 gal · 60.5 L
Estimated CO2
71 kg one way
Round trip: 142 kg / 313 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $41.81 $83.62
Mid-grade $5.57 $44.48 $88.96
Premium $5.77 $46.11 $92.22
Diesel $5.47 $43.68 $87.36

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 19, 2026

There is no time difference between Kent and Grand Coulee. The current time is 05:56:24.

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.