How far is Castle Rock, WA from Vancouver, WA?
The driving distance from Castle Rock, WA to Vancouver, WA is about 48.2 miles (77.6 km), with a travel time of about 00h 48m by car.
- The straight-line flight distance is about 45.5 miles (73.3 km).
- For a round trip, plan for roughly 01h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 00h 48m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Cowlitz County, Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Castle Rock and Vancouver.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Rock and Vancouver.
-
1
Start on Front Avenue Southwest
2566 ft · 1 min · Front Avenue Southwest
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2
Turn right onto Huntington Avenue South
1 mi · 2 min · Huntington Avenue South
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3
Take the ramp right toward I 5 South
40.1 mi · 44 min
-
4
Keep slight left
6.2 mi · 8 min
-
5
Take the exit slight right toward 4th Plain Boulevard
955 ft · 23 sec
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6
Keep slight left to continue on 4th Plain Boulevard East
74 m · 13 sec
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7
Turn left onto East Fourth Plain Boulevard
810 ft · 23 sec · East Fourth Plain Boulevard
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8
Arrive at your destination
0 m · 1 sec · East Fourth Plain Boulevard
Car Route Details
A richer read on the saved driving route between Castle Rock and Vancouver.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 5 South
Take the ramp right toward I 5 South
40.1 mi · 00h 44m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Castle Rock and Mostly Sunny near Vancouver.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castle Rock to Vancouver?
The road trip is about 48.2 miles (77.6 km) and usually takes 00h 48m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Kalama is a useful midpoint, sitting about 24.1 miles from Castle Rock and 24.2 miles from Vancouver.
How much longer is the road route than the straight-line distance?
The direct path is about 45.5 miles (73.3 km), while the road route adds roughly 2.7 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 4:54 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.90 one way or $17.79 round trip. Estimated CO2 is about 15.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Castle Rock and Mostly Sunny near Vancouver.
Stop Ideas Near Kalama
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
St Helens Public Works Department
Rainier City Hall
Scappoose Police Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Kalama.
Kelso Multimodal Transportation Center
Vancouver station
Manning, Oregon
Portland, OR
Flight Path Map
This map shows the direct air route between Castle Rock and Vancouver. Straight-line distance: 45.53 mi (73.28 km).
#1 Castle Rock
City in Cowlitz County, Washington, United States
| Population | 2,304 |
| Coordinates | 46.2751100, -122.9076100 |
| Altitude | 18 |
| Country | United States |
#2 Vancouver
The third most populous city in Washington.
| Population | 186,192 |
| Coordinates | 45.6387300, -122.6614900 |
| Altitude | 52 |
| Country | United States |
End: East Fourth Plain Boulevard (-122.661479, 45.638677)
Estimated Travel Time
Distance: 78 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 36m |
| 40 mph (64.37 km/h) | 01h 12m |
| 50 mph (80.47 km/h) | 00h 57m |
| 60 mph (96.56 km/h) | 00h 48m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $8.90 | $17.79 |
| Mid-grade | $5.57 | $9.46 | $18.93 |
| Premium | $5.77 | $9.81 | $19.62 |
| Diesel | $5.47 | $9.29 | $18.59 |
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.