How far is Tacoma, WA from Mattawa, WA?
The driving distance from Tacoma, WA to Mattawa, WA is about 166.2 miles (267.4 km), with a travel time of about 03h 17m by car.
- The straight-line flight distance is about 125 miles (201.1 km).
- For a round trip, plan for roughly 06h 35m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 17m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain Likely
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Tacoma and Mattawa.
Turn-by-Turn Driving Directions
Step-by-step road directions between Tacoma and Mattawa.
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1
Start on South 11th Street
686 ft · 29 sec · South 11th Street
-
2
Turn right onto Market Street
759 ft · 31 sec · Market Street
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3
Turn left onto South 13th Street
920 ft · 36 sec · South 13th Street
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4
Turn right onto I 705 SB Ramp
65 m · 11 sec · I 705 SB Ramp
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5
Take the ramp straight toward Port of Tacoma
869 ft · 21 sec
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6
Merge slight right
1.3 km · 1 min
-
7
Keep slight right to continue on I 5 North: Seattle
1819 ft · 44 sec
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8
Keep slight left to continue on I 5 North: Seattle
1395 ft · 34 sec
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9
Merge slight left
7.7 mi · 10 min
-
10
Take the exit slight right toward WA 18 East: Auburn, Muckleshoot Reservation
2644 ft · 1 min
-
11
Merge slight left onto State Route 18
27.3 mi · 35 min · State Route 18
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12
Continue on Snoqualmie Parkway
656 ft · 8 sec · Snoqualmie Parkway
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13
Take the exit slight right toward I 90 East: Spokane
3019 ft · 1 min
-
14
Merge slight left
111.9 mi · 2 hr 2 min
-
15
Take the exit slight right toward WA 26 East: Othello, Pullman
1454 ft · 36 sec
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16
Turn straight
1.2 km · 59 sec
-
17
Turn right onto State Route 243
14.3 mi · 21 min · State Route 243
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18
Enter the roundabout and take exit 3 toward Road 24 Southwest
68 m · 4 sec · Road 24 Southwest
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19
Exit the roundabout onto Road 24 Southwest
1752 ft · 35 sec · Road 24 Southwest
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20
Continue on Government Road
1788 ft · 36 sec · Government Road
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21
Arrive at your destination
0 m · 1 sec · Government Road
Car Route Details
A richer read on the saved driving route between Tacoma and Mattawa.
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 90 East
Merge slight left
112 mi · 02h 02m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Light Rain Likely leaving Tacoma and Chance Light Rain near Mattawa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Tacoma to Mattawa?
The road trip is about 166.2 miles (267.4 km) and usually takes 03h 17m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Roslyn is a useful midpoint, sitting about 83 miles from Tacoma and 83.2 miles from Mattawa.
How much longer is the road route than the straight-line distance?
The direct path is about 125 miles (201.1 km), while the road route adds roughly 41.2 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 10:24 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.67 one way or $61.33 round trip. Estimated CO2 is about 52.1 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Tacoma and Chance Light Rain near Mattawa.
Stop Ideas Near Roslyn
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 Roslyn.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Tacoma and Mattawa. Straight-line distance: 124.93 mi (201.06 km).
#1 Tacoma
The third most populous city in Washington.
| Population | 219,945 |
| Coordinates | 47.2528800, -122.4442900 |
| Altitude | 74 |
| Country | United States |
#2 Mattawa
City in Washington, United States
| Population | 5,112 |
| Coordinates | 46.7379100, -119.9028200 |
| Altitude | 234 |
| Country | United States |
End: Mattawa (-119.90282, 46.73791)
Estimated Travel Time
Distance: 267 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 32m |
| 40 mph (64.37 km/h) | 04h 09m |
| 50 mph (80.47 km/h) | 03h 19m |
| 60 mph (96.56 km/h) | 02h 46m |
| 70 mph (112.65 km/h) | 02h 22m |
| 80 mph (129 km/h) | 02h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $30.67 | $61.33 |
| Mid-grade | $5.57 | $32.62 | $65.25 |
| Premium | $5.77 | $33.82 | $67.64 |
| Diesel | $5.47 | $32.04 | $64.07 |
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.