Traveling from Ephrata to Tacoma covers 184.1 miles and typically takes about 3 hours and 37 minutes. Because this is a straightforward, highway-focused drive, it is perfectly suited for a single-day trip, meaning you won't need to worry about booking an overnight stay. You can expect to spend approximately $39 on fuel for the journey. The route primarily utilizes I-90 and State Route 18, keeping you on major thoroughfares for the vast majority of your travel. Whether you are heading west for business or a change of scenery, this trip offers a direct connection between these two points in Washington. It is a manageable distance for most drivers, allowing you to reach your destination without excessive fatigue.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
92.1 miles from Ephrata, WA
A natural place for your longest stop of the day
, about 1h 46m into the drive
.
Main Roads
Road
Distance
Duration
I 90
125.7 mi
2h 17m
State Route 18
26.7 mi
34m
Basin Street Southwest
20.1 mi
27m
I 5
7.2 mi
9m
Snoqualmie Parkway
0.3 mi
<1m
I 705
0.3 mi
<1m
Tacoma Avenue South
0.3 mi
<1m
South 15th Street
0.3 mi
<1m
Longest stretch:
I 90
— 125.7 mi, about 2h 17m
Turn-by-Turn Driving Directions
Step-by-step road directions between Ephrata, WA and Tacoma, WA.
1
Start on 3rd Avenue Southwest
43 ft·6 sec·3rd Avenue Southwest
2
Turn left onto WA 28
20 mi·27 min·Basin Street Southwest
3
Take the ramp
0.3 mi·44 sec
Toward I 90 West: Seattle
4
Merge onto I 90
126 mi·2 hr 17 min·I 90
Use the straight / slight right lanes.
5
Take the exit
0.2 mi·30 sec
Exit 25Toward WA 18 West: AuburnUse the slight right lane.
6
Keep slight left at fork
448 ft·13 sec
Toward SR 18 west, Snoqualmie Parkway: Auburn, TacomaUse the straight / left / right lanes.
7
Merge onto WA 18
0.3 mi·25 sec·Snoqualmie Parkway
8
Continue on WA 18
27 mi·34 min·State Route 18
Use the straight / slight right lanes.
9
Take the exit
0.6 mi·1 min
Toward I 5: Seattle, TacomaUse the straight / slight right lanes.
10
Keep slight left at fork
0.6 mi·1 min
Toward I 5 South, WA 161: Enchanted Parkway South, TacomaUse the straight lane.
11
Keep slight left at fork
0.2 mi·31 sec
Toward I 5 South: Tacoma
12
Merge onto I 5
7.2 mi·9 min·I 5
Use the straight / slight right lanes.
13
Take the exit
0.1 mi·19 sec
Exit 133Toward WA 7 South, I 705 North: City Center, Tacoma Dome
14
Keep slight right at fork
334 ft·8 sec
Toward I 705 North: City Center, Tacoma Dome Station
15
Keep slight left at fork
0.4 mi·50 sec
Toward I 705 North: City CenterUse the straight / slight right lanes.
16
Merge onto I 705
0.3 mi·22 sec·I 705
Use the straight / slight right lanes.
17
Take the exit
0.3 mi·37 sec
Toward A Street, City CenterUse the slight left lane.
18
Keep slight left at fork
0.2 mi·31 sec
Toward South 15 Street, Pacific AvenueUse the slight left / straight lanes.
19
Continue on South 15th Street
0.3 mi·59 sec·South 15th Street
Use the straight / left / right lanes.
20
Turn right onto Tacoma Avenue South
0.3 mi·49 sec·Tacoma Avenue South
21
Turn right onto South 11th Street
43 ft·1 sec·South 11th Street
22
Arrive at destination
South 11th Street
Trip Plan
Since this is a relatively short drive, you have the flexibility to depart whenever fits your schedule best. Plan for at least one dedicated stop along the way to break up the 3-hour and 37-minute duration and keep yourself alert. Given that the longest stretch on I-90 spans 125.7 miles, make sure to check your fuel levels before merging onto the interstate to avoid unnecessary stress. Because the route relies heavily on major highways, keep an eye on traffic reports for I-90 and State Route 18, as these roads can become congested during peak hours. Budgeting $39 for gas is a solid baseline, but keep a little extra set aside for potential fluctuations or local traffic detours.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 92.1 miles from Ephrata, WA, or about 1h 46m into the drive.
The longest continuous stretch on this route runs about 125.7 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 41 miles or 50m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 92.1 miles or 1h 46m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 51m
Traffic, exits, and arrival timing usually matter more near Tacoma, WA than in the middle of the route.
Before You Leave
+
Open the route before leaving Ephrata, WA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Ephrata, WA
This is one driving day of about 184.1 miles and 3h 37m.
Your first comfortable stop window is around 41 miles from Ephrata, WA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 90 for about 125.7 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 19
5 decision points cluster between mile 146.2 and 183.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
146.2 mi into trip|~2h 45m in
Take the exit toward WA 18 West: Auburn
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 25
Toward WA 18 West: Auburn
9
146.4 mi into trip|~2h 45m in
Keep slight left at fork toward SR 18 west, Snoqualmie Parkway: Auburn, Tacoma
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / left / right lanes.
Toward SR 18 west, Snoqualmie Parkway: Auburn,...
8
174.1 mi into trip|~3h 21m in
Keep slight left at fork toward I 5 South, WA 161: Enchanted Parkway South, Tacoma
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight lane.
Toward I 5 South, WA 161: Enchanted Parkway Sou...
8
183.1 mi into trip|~3h 34m in
Take the exit toward A Street, City Center
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Toward A Street, City Center
9
183.4 mi into trip|~3h 35m in
Keep slight left at fork toward South 15 Street, Pacific Avenue
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Toward South 15 Street, Pacific Avenue
Fuel & Cost
Regular Gas
$38.53 one way
$77.06 round trip
$5.32/gal25.4 MPG avg64 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.58
$40.41
$80.82
premium
$5.77
$41.81
$83.61
diesel
$5.61
$40.65
$81.29
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$39
Meals
$25–$50
Total
$64–$89
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 64.4 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $19 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
55.2
0
$19.33
$8.84
Efficient EV
46
0
$16.11
$7.36
EV Truck/SUV
73.6
0
$25.77
$11.78
Gas CO2
64 kg
EV CO2
22 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
Ephrata, WA
Late night
in Ephrata on Sunday
Local time
3:02 AM
PDT
Current temp
49°F
Unavailable
Live forecast
Destination
Tacoma, WA
Late night
in Tacoma on Sunday
Local time
3:02 AM
PDT
Current temp
59°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
10 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 37m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Klondike Gold Rush - Seattle Unit National Historical Park
National Historical Park
Seattle flourished during and after the Klondike Gold Rush. Merchants supplied people from around the world passing through this port city on their way to a remarkable adventure in the Yukon Territory...
19 mi from route
~49 min detour
Free
near mile 158.7
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a drive that is defined by its efficiency, with 87% of the route consisting of highway travel. You will spend the bulk of your time on I-90, which features a long, 125.7-mile stretch that allows for steady cruising. After transitioning off the interstate, you will navigate via State Route 18 and Basin Street Southwest to reach your final destination. While the experience is largely a high-speed interstate grind, the shift from the interior landscape to the coastal region provides a noticeable change in the environment. Being behind the wheel here is about steady progress, so prepare for a consistent, high-velocity pace for nearly the entire duration of the trip.
87% highway — fuel and pacing are the main things to plan.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 125.7 mi on I 90.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on I 90 and State Route 18. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 146.2 miles in.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 19 significant decision points across 184.1 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 146.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 146.4 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 174.1 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Ephrata, WA to Tacoma, WA, road signs begin pointing toward Snoqualmie Parkway: Auburn along the way.
Snoqualmie Parkway: Auburn
146.4 mi in|~2h 45m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 37m. Total distance: 184.1 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 37m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (87%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 125.7 miles on I 90. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Tacoma, WA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 146.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 146.4 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 174.1 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Klondike Gold Rush - Seattle Unit National Historical Park. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 3.6 hours each way, an in-and-out day trip would put you behind the wheel for 7.2 hours — manageable with a long break at Tacoma, WA, but most travelers stay overnight.
