Prosser, WA to Tacoma, WA is 204.6 miles and takes about 3h 58m via US 97, I 82, and State Route 18, with a fuel budget near $43 and enough daylight to finish in a day. This drive takes you across Washington State, moving from the Pacific Coast region to the same region, offering a straightforward transit between two points. With nearly all of your journey on highways, expect a consistent pace. This trip is ideal if you're looking for an efficient way to cover ground without extensive detours, making it a solid choice for a single-day journey.
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
102.3 miles from Prosser, WA
A natural place for your longest stop of the day
, about 1h 54m into the drive
.
Main Roads
Road
Distance
Duration
US 97
85.7 mi
1h 35m
I 82
78.8 mi
1h 25m
State Route 18
26.7 mi
34m
I 5
7.2 mi
9m
Wine Country Road
1.2 mi
2m
Snoqualmie Parkway
0.3 mi
<1m
I 705
0.3 mi
<1m
Tacoma Avenue South
0.3 mi
<1m
Longest stretch:
US 97
— 85.7 mi, about 1h 35m
Traffic on I-90
Hour-of-day weekday pattern from 54 FHWA count stations on your route.
Peak
1 PM
~1,339 veh/hr typical
· worst 2,355
Quietest
2 AM
~108 veh/hr
Peak-to-quiet ratio
12.4×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 52 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Prosser, WA and Tacoma, WA.
1
Start on Bennett Avenue
71 ft·6 sec·Bennett Avenue
2
Turn right onto 7th Street
0.2 mi·36 sec·7th Street
3
Turn left onto Wine Country Road
1.2 mi·2 min·Wine Country Road
4
Continue on Gap Road
0.2 mi·38 sec·Gap Road
5
Take the ramp
0.4 mi·52 sec
6
Merge onto I 82; US 12
48 mi·52 min·I 82; US 12
7
Continue on I 82; US 97
31 mi·33 min·I 82; US 97
8
Keep slight left at fork onto US 97
86 mi·1 hr 35 min·US 97
Toward I 90 WestUse the straight / slight right lanes.
9
Take the exit
0.2 mi·30 sec
Exit 25Toward WA 18 West: AuburnUse the slight right lane.
10
Keep slight left at fork
448 ft·13 sec
Toward SR 18 west, Snoqualmie Parkway: Auburn, TacomaUse the straight / left / right lanes.
11
Merge onto WA 18
0.3 mi·25 sec·Snoqualmie Parkway
12
Continue on WA 18
27 mi·34 min·State Route 18
Use the straight / slight right lanes.
13
Take the exit
0.6 mi·1 min
Toward I 5: Seattle, TacomaUse the straight / slight right lanes.
14
Keep slight left at fork
0.6 mi·1 min
Toward I 5 South, WA 161: Enchanted Parkway South, TacomaUse the straight lane.
15
Keep slight left at fork
0.2 mi·31 sec
Toward I 5 South: Tacoma
16
Merge onto I 5
7.2 mi·9 min·I 5
Use the straight / slight right lanes.
17
Take the exit
0.1 mi·19 sec
Exit 133Toward WA 7 South, I 705 North: City Center, Tacoma Dome
18
Keep slight right at fork
334 ft·8 sec
Toward I 705 North: City Center, Tacoma Dome Station
19
Keep slight left at fork
0.4 mi·50 sec
Toward I 705 North: City CenterUse the straight / slight right lanes.
20
Merge onto I 705
0.3 mi·22 sec·I 705
Use the straight / slight right lanes.
21
Take the exit
0.3 mi·37 sec
Toward A Street, City CenterUse the slight left lane.
22
Keep slight left at fork
0.2 mi·31 sec
Toward South 15 Street, Pacific AvenueUse the slight left / straight lanes.
23
Continue on South 15th Street
0.3 mi·59 sec·South 15th Street
Use the straight / left / right lanes.
24
Turn right onto Tacoma Avenue South
0.3 mi·49 sec·Tacoma Avenue South
25
Turn right onto South 11th Street
43 ft·1 sec·South 11th Street
26
Arrive at destination
South 11th Street
Trip Plan
Given the relatively short duration of under 4 hours, this trip is easily manageable in a single day, allowing for flexibility in your departure time. You'll want to plan for at least one stop to refuel and stretch, especially considering the longest stretch of 85.7 miles on US 97. Keep an eye on your fuel gauge as you approach the end of that longer segment. The $43 fuel cost provides a good estimate, but it's always wise to factor in a little extra. Since it's a quick drive, you have the advantage of not needing to rush, so take your time and enjoy the straightforward transit.
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 102.3 miles from Prosser, WA, or about 1h 54m into the drive.
The longest continuous stretch on this route runs about 85.7 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 45 miles or 52m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 102.3 miles or 1h 54m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 8m
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 Prosser, 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 Prosser, WA
This is one driving day of about 204.6 miles and 3h 58m.
Your first comfortable stop window is around 45 miles from Prosser, 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 US 97 for about 85.7 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 21
5 decision points cluster between mile 80.9 and 203.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
80.9 mi into trip|~1h 31m in|US 97
Keep slight left at fork onto US 97 toward I 90 West
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 90 West
9
166.9 mi into trip|~3h 7m 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
194.6 mi into trip|~3h 43m 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
203.6 mi into trip|~3h 55m 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
203.8 mi into trip|~3h 56m 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
$39.86 one way
$79.71 round trip
$4.95/gal25.4 MPG avg72 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.18
$41.76
$83.52
premium
$5.39
$43.43
$86.85
diesel
$4.80
$38.63
$77.26
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$40
Meals
$25–$50
Total
$65–$90
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 71.6 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $21 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
61.4
0
$21.48
$9.82
Efficient EV
51.2
0
$17.90
$8.18
EV Truck/SUV
81.8
1
$28.64
$13.09
Gas CO2
72 kg
EV CO2
24 kg (67% 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 Jul 19, 2026
Origin
Prosser, WA
Late night
in Prosser on Monday
Local time
12:43 AM
PDT
Current temp
56°F
Patchy Smoke then Clear
W 2 to 7 mph0% chanceLive forecast
Red Flag Warning
Red Flag Warning issued July 18 at 11:42AM PDT until July 18 at 9:00PM PDT by NWS Spokane WA
Red Flag Warning
Red Flag Warning issued July 18 at 11:42AM PDT until July 18 at 9:00PM PDT by NWS Spokane WA
Destination
Tacoma, WA
Late night
in Tacoma on Monday
Local time
12:43 AM
PDT
Current temp
54°F
Mostly Clear
N 1 to 7 mph1% chanceLive forecast
Red Flag Warning
Red Flag Warning issued July 18 at 11:42AM PDT until July 18 at 9:00PM PDT by NWS Spokane WA
Red Flag Warning
Red Flag Warning issued July 18 at 11:42AM PDT until July 18 at 9:00PM PDT by NWS Spokane WA
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
2 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 58m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
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
~48 min detour
Free
near mile 183.5
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This route is predominantly a highway-focused drive, with 97% of the journey utilizing major roadways. You'll experience long, uninterrupted stretches, including a significant 85.7-mile segment on US 97, which sets a brisk pace for a good portion of the trip. The blend of US 97, I 82, and State Route 18 means you'll be navigating a mix of high-speed driving and well-maintained highway conditions. Expect a driving experience that prioritizes forward momentum over winding scenic byways.
97% highway — fuel and pacing are the main things to plan.
26 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 85.7 mi on US 97.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on US 97 and I 82. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 80.9 miles in near US 97.
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 21 significant decision points across 204.6 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 80.9 miles (US 97): Highway fork - watch signs carefully. Lane positioning matters here; at 166.9 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 194.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Hilly terrain with moderate elevation changes
2,658 ft118 ft
Total Climb
3,132 ft
Total Descent
3,546 ft
Highest Point
2,658 ft
~73.1 mi in
Elevation Range
2,540 ft
Notable High Points
2,658 ft at ~73.1 miles+820 ft prominence
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 Prosser, WA to Tacoma, WA, road signs begin pointing toward Snoqualmie Parkway: Auburn along the way.
Tacoma, a major port on the Puget Sound, is the third-largest city in Washington State, with about 220,000 residents. It has a dynamic art scene and a great ballet.
Top landmarks
•Tacoma Narrows Bridge — suspension bridge that collapsed in 1940
•Browns Point Light — lighthouse in Washington, United States
•Fort Nisqually — an important fur trading and farming post of the Hudson's Bay Company
Doable as a same-day drive at 3h 58m. Total distance: 204.6 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 58m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (97%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 85.7 miles on US 97. The full list of main roads is in the Roads section above.
Yes — we found about 14 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
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. There are 14 rest areas along the route for bathroom stops.
The main spots that need attention: at 80.9 miles (US 97): Highway fork - watch signs carefully. Lane positioning matters here; at 166.9 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 194.6 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 4.0 hours each way, an in-and-out day trip would put you behind the wheel for 8.0 hours — manageable with a long break at Tacoma, WA, but most travelers stay overnight.
