How far is Spokane, WA from Castle Rock, WA?
The driving distance from Spokane, WA to Castle Rock, WA is about 357.1 miles (574.7 km), with a travel time of about 06h 48m by car.
- The straight-line flight distance is about 275.4 miles (443.2 km).
- For a round trip, plan for roughly 13h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 48m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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
Driving Route Map
The map below follows the saved road route between Spokane and Castle Rock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Spokane and Castle Rock.
-
1
Start on South Gorge Trail
48 m · 21 sec · South Gorge Trail
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2
Turn right
8 m · 9 sec
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3
Turn left onto West Main Avenue
141 m · 20 sec · West Main Avenue
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4
Turn right onto North Monroe Street
2139 ft · 1 min · North Monroe Street
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5
Turn slight right onto West Freeway Avenue
643 ft · 18 sec · West Freeway Avenue
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6
Keep slight left to continue on West Freeway Avenue
57 m · 5 sec · West Freeway Avenue
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7
Take the ramp straight toward I 90 West: Seattle
1245 ft · 30 sec
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8
Merge slight left
2 mi · 3 min
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9
Keep slight left
56.6 mi · 1 hr 1 min
-
10
Keep slight left
110.3 mi · 1 hr 58 min
-
11
Take the exit slight right toward I 82 East, US 97 South: Yakima
1.4 mi · 3 min
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12
Merge slight left
30.2 mi · 33 min
-
13
Take the exit slight right toward US 12 west, North 1st Street
96 m · 5 sec
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14
Keep slight right to continue on US 12 west, North 1st Street
1748 ft · 25 sec
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15
Merge slight left
16.9 mi · 22 min
-
16
Turn left
118.9 mi · 2 hr 23 min
-
17
Take the exit right toward I 5 South: Portland
910 ft · 39 sec
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18
Merge slight left
18.2 mi · 20 min
-
19
Take the exit slight right toward WA 504: Castle Rock
2013 ft · 52 sec
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20
Turn right onto Huntington Avenue North
1894 ft · 1 min · Huntington Avenue North
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21
Turn slight right onto Front Avenue Northwest
578 ft · 16 sec · Front Avenue Northwest
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22
Continue on Front Avenue Southwest
1174 ft · 33 sec · Front Avenue Southwest
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23
Arrive at your destination
0 m · 1 sec · Front Avenue Southwest
Car Route Details
A richer read on the saved driving route between Spokane and Castle Rock.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Longest stretch
Turn left
119 mi · 02h 23m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Spokane and Mostly Sunny near Castle Rock.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Spokane to Castle Rock?
The road trip is about 357.1 miles (574.7 km) and usually takes 06h 48m 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?
Kittitas is a useful midpoint, sitting about 178.2 miles from Spokane and 178.9 miles from Castle Rock.
How much longer is the road route than the straight-line distance?
The direct path is about 275.4 miles (443.2 km), while the road route adds roughly 81.7 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 $65.94 one way or $131.87 round trip. Estimated CO2 is about 112 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Spokane and Mostly Sunny near Castle Rock.
Stop Ideas Near Kittitas
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 Kittitas.
Columbia Station
Quincy, Washington
Leavenworth, Washington
Leavenworth
Flight Path Map
This map shows the direct air route between Spokane and Castle Rock. Straight-line distance: 275.39 mi (443.19 km).
#1 Spokane
The second most populous city in Washington.
| Population | 222,050 |
| Coordinates | 47.6596600, -117.4290800 |
| Altitude | 571 |
| Country | United States |
#2 Castle Rock
City in Cowlitz County, Washington, United States
| Population | 2,304 |
| Coordinates | 46.2751100, -122.9076100 |
| Altitude | 18 |
| Country | United States |
End: Castle Rock (-122.90761, 46.27511)
Estimated Travel Time
Distance: 575 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 53m |
| 40 mph (64.37 km/h) | 08h 55m |
| 50 mph (80.47 km/h) | 07h 08m |
| 60 mph (96.56 km/h) | 05h 57m |
| 70 mph (112.65 km/h) | 05h 06m |
| 80 mph (129 km/h) | 04h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $65.94 | $131.87 |
| Mid-grade | $5.57 | $70.14 | $140.29 |
| Premium | $5.77 | $72.71 | $145.43 |
| Diesel | $5.47 | $68.88 | $137.77 |
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 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.