How far is Grand Mound, WA from Vancouver, WA?
The driving distance from Grand Mound, WA to Vancouver, WA is about 88.3 miles (142.1 km), with a travel time of about 01h 27m by car.
- The straight-line flight distance is about 81.2 miles (130.6 km).
- For a round trip, plan for roughly 02h 54m 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 27m.
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.
Patchy Fog
Mostly Clear
Driving Route Map
The map below follows the saved road route between Grand Mound and Vancouver.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grand Mound and Vancouver.
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1
Start on the route
89 m · 27 sec
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2
Turn left
30 m · 9 sec
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3
Turn right onto Old Highway 99 Southwest
1.3 km · 2 min · Old Highway 99 Southwest
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4
Enter the roundabout and take exit 2 toward Large Round About
25 m · 5 sec · Old Highway 99 Southwest
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5
Exit the rotary onto Old Highway 99 Southwest
633 ft · 17 sec · Old Highway 99 Southwest
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6
Turn right onto US 12 West
1108 ft · 30 sec · US 12 West
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7
Take the ramp right toward I 5 South
80.4 mi · 1 hr 28 min
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8
Keep slight left
6.2 mi · 8 min
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9
Take the exit slight right toward 4th Plain Boulevard
955 ft · 23 sec
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10
Keep slight left to continue on 4th Plain Boulevard East
74 m · 13 sec
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11
Turn left onto East Fourth Plain Boulevard
810 ft · 23 sec · East Fourth Plain Boulevard
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12
Arrive at your destination
0 m · 1 sec · East Fourth Plain Boulevard
Car Route Details
A richer read on the saved driving route between Grand Mound 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
80.4 mi · 01h 28m
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.
Patchy Fog leaving Grand Mound and Mostly Clear near Vancouver.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grand Mound to Vancouver?
The road trip is about 88.3 miles (142.1 km) and usually takes 01h 27m 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?
Castle Rock is a useful midpoint, sitting about 44.1 miles from Grand Mound and 44.2 miles from Vancouver.
How much longer is the road route than the straight-line distance?
The direct path is about 81.2 miles (130.6 km), while the road route adds roughly 7.1 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 3:36 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.33 one way or $32.65 round trip. Estimated CO2 is about 27.7 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog around Grand Mound and Mostly Clear near Vancouver.
Stop Ideas Near Castle Rock
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Kelso City Parks & Recreation
Rainier City Hall
Kelso City Water-Sewer Bills
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Castle Rock.
Kelso Multimodal Transportation Center
Centralia station
Elsie, Oregon
Manning, Oregon
Flight Path Map
This map shows the direct air route between Grand Mound and Vancouver. Straight-line distance: 81.14 mi (130.58 km).
#1 Grand Mound
City in Thurston County, Washington, United States
| Population | 2,981 |
| Coordinates | 46.7878800, -123.0112500 |
| Altitude | 51 |
| 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: 142 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 56m |
| 40 mph (64.37 km/h) | 02h 12m |
| 50 mph (80.47 km/h) | 01h 45m |
| 60 mph (96.56 km/h) | 01h 28m |
| 70 mph (112.65 km/h) | 01h 15m |
| 80 mph (129 km/h) | 01h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $16.33 | $32.65 |
| Mid-grade | $5.57 | $17.37 | $34.74 |
| Premium | $5.77 | $18.01 | $36.01 |
| Diesel | $5.47 | $17.06 | $34.11 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.