How far is Castle Rock, WA from Tacoma, WA?
The driving distance from Castle Rock, WA to Tacoma, WA is about 86.5 miles (139.2 km), with a travel time of about 01h 28m by car.
- The straight-line flight distance is about 71 miles (114.3 km).
- For a round trip, plan for roughly 02h 57m 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 01h 28m.
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 Thurston County, Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Castle Rock and Tacoma.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Rock and Tacoma.
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1
Start on Front Avenue Southwest
1174 ft · 33 sec · Front Avenue Southwest
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2
Turn right onto Barr Street
45 m · 9 sec · Barr Street
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3
Turn left onto Huntington Avenue North
2742 ft · 1 min · Huntington Avenue North
-
4
Continue on Mount Saint Helens Way Northeast
124 m · 13 sec · Mount Saint Helens Way Northeast
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5
Take the ramp left toward I 5 North
2204 ft · 54 sec
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6
Merge slight left
81 mi · 1 hr 33 min
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7
Take the exit slight right toward WA 16 West: Gig Harbor, Bremerton, South 38th Street
1248 ft · 21 sec
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8
Keep slight left to continue on WA 16 West: Gig Harbor, Bremerton, South 38th Street West, Tacoma Mall
1086 ft · 19 sec
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9
Keep slight left to continue on WA 16 West: Gig Harbor, Bremerton
1655 ft · 28 sec
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10
Keep slight left to continue on WA 16 West: Gig Harbor, Bremerton
2562 ft · 44 sec
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11
Take the exit slight right toward Sprague Avenue
2552 ft · 1 min
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12
Continue on Sprague Ramp
1467 ft · 44 sec · Sprague Ramp
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13
Continue on South Sprague Avenue
2964 ft · 2 min · South Sprague Avenue
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14
Turn right onto South 11th Street
1.4 km · 2 min · South 11th Street
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15
Arrive at your destination
0 m · 1 sec · South 11th Street
Car Route Details
A richer read on the saved driving route between Castle Rock and Tacoma.
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 North
Merge slight left
81 mi · 01h 33m
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 Partly Sunny near Tacoma.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castle Rock to Tacoma?
The road trip is about 86.5 miles (139.2 km) and usually takes 01h 28m 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?
Grand Mound is a useful midpoint, sitting about 42.8 miles from Castle Rock and 43.7 miles from Tacoma.
How much longer is the road route than the straight-line distance?
The direct path is about 71 miles (114.3 km), while the road route adds roughly 15.5 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 3:32 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.96 one way or $31.92 round trip. Estimated CO2 is about 27.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Castle Rock and Partly Sunny near Tacoma.
Stop Ideas Near Grand Mound
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Olympia Urban Forestry
Olympia City Hall
City Of Lacey Maintenance Service Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Grand Mound.
Centralia station
Centennial Station
Tacoma Dome Station
Kelso Multimodal Transportation Center
Flight Path Map
This map shows the direct air route between Castle Rock and Tacoma. Straight-line distance: 71.03 mi (114.31 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 Tacoma
The third most populous city in Washington.
| Population | 219,945 |
| Coordinates | 47.2528800, -122.4442900 |
| Altitude | 74 |
| Country | United States |
End: South 11th Street (-122.444267, 47.25278)
Estimated Travel Time
Distance: 139 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 52m |
| 40 mph (64.37 km/h) | 02h 09m |
| 50 mph (80.47 km/h) | 01h 43m |
| 60 mph (96.56 km/h) | 01h 26m |
| 70 mph (112.65 km/h) | 01h 14m |
| 80 mph (129 km/h) | 01h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $15.96 | $31.92 |
| Mid-grade | $5.57 | $16.98 | $33.96 |
| Premium | $5.77 | $17.60 | $35.20 |
| Diesel | $5.47 | $16.67 | $33.35 |
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.