Origin
Grand Mound, WA
Morning in Grand Mound on Thursday
Local time
9:37 AM
PDT
Current temp
44°F
Unavailable
Live forecast
Trip from Grand Mound, WA to Spokane, WA
Last recalculated Apr 16, 2026
Drive Time
5h 31m
Distance
340.5 mi
548 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$71
one way
EV Charging
Unknown
Best Time to Leave
4 AM
5h 18m
★
6 AM
5h 32m
8 AM
5h 58m
10 AM
5h 41m
12 PM
5h 38m
3 PM
5h 42m
5 PM
5h 57m
8 PM
5h 24m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Grand Mound, WA
Siarhei Nester
Trip Overview
The drive from Grand Mound, WA to Spokane, WA covers 340.5 miles and takes about 5h 31m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Highway 99, Large Round About, US 12 West for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $71.26 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
170.2 miles from Grand Mound, WA
A natural place for your longest stop of the day , about 2h 45m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 5h 31m. Total distance: 340.5 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
5h 31m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile.
Drive Character
Expect a 5h 31m drive with frequent turns across 340.5 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 25 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Highway 99 is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.
Driving Effort
3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 5h 31m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Grand Mound, WA to Spokane, WA is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Highway 99 | — | — |
| Large Round About | — | — |
| US 12 West | — | — |
| I 5 North | — | — |
| WA 18 East | — | — |
| State Route 18 | — | — |
| Snoqualmie Parkway | — | — |
| I 90 East | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
Highway 99
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grand Mound, WA and Spokane, WA.
1
Start on the route
292 ft
·
27 sec
·
the route
2
Turn left
98 ft
·
9 sec
3
Turn right onto Old Highway 99 Southwest
0.8 mi
·
1 min
·
Old Highway 99 Southwest
4
Enter the roundabout and take exit 2 toward Large Round About
82 ft
·
5 sec
·
Large Round About
5
Exit the rotary onto Old Highway 99 Southwest
0.1 mi
·
17 sec
·
Old Highway 99 Southwest
6
Turn right onto US 12 West
0.3 mi
·
49 sec
·
US 12 West
7
Take the ramp left toward I 5 North
0.2 mi
·
25 sec
·
I 5 North
8
Merge slight left
45 mi
·
53 min
9
Keep slight right
8.2 mi
·
10 min
10
Take the exit slight right toward WA 18 East: Auburn, Muckleshoot Reservation
0.5 mi
·
1 min
·
WA 18 East: Auburn, Muckleshoot Reservation
11
Merge slight left onto State Route 18
27 mi
·
34 min
·
State Route 18
12
Continue on Snoqualmie Parkway
0.1 mi
·
8 sec
·
Snoqualmie Parkway
13
Take the exit slight right toward I 90 East: Spokane
0.6 mi
·
1 min
·
I 90 East: Spokane
14
Merge slight left
252 mi
·
4 hr 32 min
15
Merge slight right
1.8 mi
·
2 min
16
Take the exit slight right toward Maple Street, Lincoln Street, Walnut Street
0.2 mi
·
31 sec
·
Maple Street, Lincoln Street, Walnut Street
17
Continue on West 5th Avenue
384 ft
·
13 sec
·
West 5th Avenue
18
Turn straight onto West Freeway Avenue
0.2 mi
·
33 sec
·
West Freeway Avenue
19
Continue on West 4th Avenue
0.2 mi
·
31 sec
·
West 4th Avenue
20
Continue on West 4th Avenue
167 ft
·
5 sec
·
West 4th Avenue
21
Continue on South Lincoln Street
0.4 mi
·
1 min
·
South Lincoln Street
22
Turn left onto West Main Avenue
0.2 mi
·
35 sec
·
West Main Avenue
23
Turn right
26 ft
·
9 sec
24
Turn left onto South Gorge Trail
157 ft
·
17 sec
·
South Gorge Trail
25
Arrive at your destination
Trip Plan
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 170.2 miles from Grand Mound, WA, or about 2h 45m into the drive.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 75 miles or 1h 13m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 170.2 miles or 2h 45m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 33m
Traffic, exits, and arrival timing usually matter more near Spokane, WA than in the middle of the route.
Before You Leave
+
Open the route before leaving Grand Mound, WA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Grand Mound, WA
This is one driving day of about 340.5 miles and 5h 31m.
Your first comfortable stop window is around 75 miles from Grand Mound, WA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 170.2 mi from Grand Mound, WA · 2h 45m into the drive
Mid-route town
Meal stop
170 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 75 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 170.2 miles from Grand Mound, WA, which is a good place for a longer meal and fuel stop.
Arriving in Spokane, WA
The final approach into Spokane, WA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Spokane, WA.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$71.26 one way
$142.53 round trip
$5.32/gal
25.4 MPG avg
119 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.58 | $74.74 | $149.47 |
| premium | $5.77 | $77.32 | $154.65 |
| diesel | $5.61 | $75.18 | $150.36 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$71
Meals
$25–$50
Total
$96–$121
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 119.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $36 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 102.1 | 1 | $35.75 | $16.34 |
| Efficient EV | 85.1 | 0 | $29.79 | $13.62 |
| EV Truck/SUV | 136.2 | 1 | $47.67 | $21.79 |
Gas CO2
119 kg
EV CO2
40 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Spokane, WA
Morning in Spokane on Thursday
Local time
9:37 AM
PDT
Current temp
45°F
Unavailable
Live forecast
59°F
Monroe, WA
170 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
1 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
5h 31m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Grand Mound, WA to Spokane, WA covers 340.5 miles and takes about 5h 31m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Highway 99, Large Round About, US 12 West. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 170.2 miles from Grand Mound, WA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $71.26 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a straightforward 5h 31m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
This route does not have any notably tricky sections. Most of the drive from Grand Mound, WA to Spokane, WA is straightforward, with well-signed roads and simple exits.
The route from Grand Mound, WA to Spokane, WA does not surface many named destination signs beyond the main corridor.
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