How far is Tacoma, WA from Ahtanum, WA?
The driving distance from Tacoma, WA to Ahtanum, WA is about 164.1 miles (264.1 km), with a travel time of about 03h 18m by car.
- The straight-line flight distance is about 98.4 miles (158.4 km).
- For a round trip, plan for roughly 06h 37m 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 18m.
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.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Tacoma and Ahtanum.
Turn-by-Turn Driving Directions
Step-by-step road directions between Tacoma and Ahtanum.
-
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
-
5
Take the ramp straight toward Port of Tacoma
869 ft · 21 sec
-
6
Merge slight right
1.3 km · 1 min
-
7
Keep slight right to continue on I 5 North: Seattle
1819 ft · 44 sec
-
8
Keep slight left to continue on I 5 North: Seattle
1395 ft · 34 sec
-
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
-
13
Take the exit slight right toward I 90 East: Spokane
3019 ft · 1 min
-
14
Merge slight left
84.5 mi · 1 hr 33 min
-
15
Take the exit slight right toward I 82 East, US 97 South: Yakima
31.3 mi · 34 min
-
16
Take the exit slight right toward US 12 west, North 1st Street
96 m · 5 sec
-
17
Keep slight right to continue on US 12 west, North 1st Street
1748 ft · 25 sec
-
18
Merge slight left
1.8 mi · 2 min
-
19
Take the exit slight right toward North 40th Avenue, Fruitvale BOulevard
3102 ft · 1 min
-
20
Continue on North 40th Avenue
3 mi · 7 min · North 40th Avenue
-
21
Turn right onto Loren Place
112 m · 13 sec · Loren Place
-
22
Continue on South 42th Avenue
741 ft · 27 sec · South 42th Avenue
-
23
At the end of the road, turn right onto West Washington Avenue
1.7 mi · 3 min · West Washington Avenue
-
24
Turn left onto South 64th Avenue
1.4 km · 2 min · South 64th Avenue
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25
At the end of the road, turn right onto Ahtanum Road
1.3 mi · 2 min · Ahtanum Road
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26
Turn right onto South 84th Avenue
108 m · 18 sec · South 84th Avenue
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27
Turn left onto Aspen Road
110 m · 14 sec · Aspen Road
-
28
Turn right onto South 85th Avenue
33 m · 4 sec · South 85th Avenue
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29
Arrive at your destination
0 m · 1 sec · South 85th Avenue
Car Route Details
A richer read on the saved driving route between Tacoma and Ahtanum.
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
84.5 mi · 01h 33m
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.
Mostly Sunny leaving Tacoma and Sunny near Ahtanum.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Tacoma to Ahtanum?
The road trip is about 164.1 miles (264.1 km) and usually takes 03h 18m 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 81.9 miles from Tacoma and 82.2 miles from Ahtanum.
How much longer is the road route than the straight-line distance?
The direct path is about 98.4 miles (158.4 km), while the road route adds roughly 65.7 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 10:22 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.30 one way or $60.60 round trip. Estimated CO2 is about 51.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Tacoma and Sunny near Ahtanum.
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 Ahtanum. Straight-line distance: 98.46 mi (158.45 km).
#1 Tacoma
The third most populous city in Washington.
| Population | 219,945 |
| Coordinates | 47.2528800, -122.4442900 |
| Altitude | 74 |
| Country | United States |
#2 Ahtanum
Census designated place
| Population | 3,601 |
| Coordinates | 46.5595700, -120.6220100 |
| Altitude | 380 |
| Country | United States |
End: Ahtanum (-120.62201, 46.55957)
Estimated Travel Time
Distance: 264 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 28m |
| 40 mph (64.37 km/h) | 04h 06m |
| 50 mph (80.47 km/h) | 03h 16m |
| 60 mph (96.56 km/h) | 02h 44m |
| 70 mph (112.65 km/h) | 02h 20m |
| 80 mph (129 km/h) | 02h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $30.30 | $60.60 |
| Mid-grade | $5.57 | $32.23 | $64.47 |
| Premium | $5.77 | $33.41 | $66.83 |
| Diesel | $5.47 | $31.65 | $63.31 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.