How far is Grand Mound, WA from Seattle, WA?
Fastest route
The distance between Grand Mound, Washington, and Seattle, Washington, is approximately 77.9 miles (125.3 kilometers). The fastest route is via I-5 N, which will take around 1 hour and 20 minutes.
Tips & Suggestions
- 🚗 Plan for approximately 1 hour and 20 minutes of travel time.
- ⛽ Make sure your vehicle has enough fuel for the journey.
- 📅 Check the weather and road conditions before starting your trip.
- ☕ Take a break during the journey to stretch and refresh.
- 📱 Use navigation apps for real-time traffic updates.
FAQs
Q: How long is the distance between Grand Mound and Seattle? A: The distance between Grand Mound, Washington, and Seattle, Washington, is approximately 77.9 miles (125.3 kilometers).
Q: What is the fastest route from Grand Mound to Seattle? A: The fastest route from Grand Mound to Seattle is via I-5 N, which will take around 1 hour and 20 minutes.
Q: Are there any alternative routes to Seattle? A: Yes, there are alternative routes. One alternative route is via WA-167 N and I-5 N, which takes approximately 1 hour and 32 minutes. Another alternative is via WA-507 N and I-5 N, which takes about 1 hour and 45 minutes.
Q: Should I be aware of any traffic conditions along the way? A: Yes, it's essential to be aware of traffic conditions. The fastest route via I-5 N may vary due to traffic conditions. Be sure to use navigation apps for real-time updates.
Q: What should I do to prepare for the journey? A: To prepare for the journey, plan for approximately 1 hour and 20 minutes of travel time, ensure your vehicle has enough fuel, check the weather and road conditions, take breaks during the journey, and consider using navigation apps for guidance.
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.
The most populous city in Pierce County, Washington.
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 Grand Mound and Seattle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grand Mound and Seattle.
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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
1801 ft · 49 sec · US 12 West
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7
Take the ramp left toward I 5 North
1010 ft · 25 sec
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8
Merge slight left
44.9 mi · 54 min
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9
Keep slight right
31.9 mi · 40 min
-
10
Take the exit slight left toward Seneca Street
1359 ft · 36 sec
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11
Turn left onto Seneca Street
98 m · 18 sec · Seneca Street
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12
Turn left onto 5th Avenue
615 ft · 27 sec · 5th Avenue
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13
Turn right onto Madison Street
34 m · 9 sec · Madison Street
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14
Turn left
9 m · 2 sec
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15
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Grand Mound and Seattle.
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
44.9 mi · 00h 54m
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 Grand Mound and Mostly Sunny near Seattle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grand Mound to Seattle?
The road trip is about 78.7 miles (126.6 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?
Lakewood is a useful midpoint, sitting about 39.4 miles from Grand Mound and 39.3 miles from Seattle.
How much longer is the road route than the straight-line distance?
The direct path is about 64.9 miles (104.5 km), while the road route adds roughly 13.8 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 3:34 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.50 one way or $28.99 round trip. Estimated CO2 is about 24.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Grand Mound and Mostly Sunny near Seattle.
Stop Ideas Near Lakewood
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall Tacoma
City of Puyallup
Tacoma City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lakewood.
Tacoma Dome Station
Centennial Station
Tukwila station
King Street Station
Flight Path Map
This map shows the direct air route between Grand Mound and Seattle. Straight-line distance: 64.91 mi (104.47 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 Seattle
The eighteenth most populous city in the United States and the center of the Seattle metropolitan area.
| Population | 769,714 |
| Coordinates | 47.6062100, -122.3320700 |
| Altitude | 56 |
| Country | United States |
End: (-122.332143, 47.606309)
Estimated Travel Time
Distance: 127 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 37m |
| 40 mph (64.37 km/h) | 01h 57m |
| 50 mph (80.47 km/h) | 01h 34m |
| 60 mph (96.56 km/h) | 01h 18m |
| 70 mph (112.65 km/h) | 01h 07m |
| 80 mph (129 km/h) | 00h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $14.50 | $28.99 |
| Mid-grade | $5.57 | $15.42 | $30.84 |
| Premium | $5.77 | $15.99 | $31.97 |
| Diesel | $5.47 | $15.14 | $30.29 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.