This 191.2-mile drive from Prosser, WA, to Seattle, WA, is designed for a single day, taking about 3 hours and 37 minutes to complete. With 97% of the journey on highways, it's a straightforward trip focused on efficient travel. The estimated fuel cost is around $40, making it an economical choice for a day trip. You'll primarily navigate US 97 and I 82, with a notable section through the Mount Baker Ridge Tunnel. Given its manageable duration and highway focus, this route is well-suited for a single-day excursion without needing an overnight stop, offering a practical way to travel between these two points within Washington state.
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
95.6 miles from Prosser, WA
A natural place for your longest stop of the day
, about 1h 47m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 37m. Total distance: 191.2 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 (97%). Some complex stretches to watch for.
Drive Character
Expect a predominantly highway-focused experience on this route, with 97% of your travel occurring on major roadways. The longest uninterrupted stretch covers 107.5 miles on US 97, offering a solid block of consistent driving. This drive is characterized by its efficiency, moving you swiftly across the landscape. You'll transition from US 97 to I 82, and a key feature includes passage through the Mount Baker Ridge Tunnel. The nature of the drive is largely about covering distance effectively, rather than winding through small towns or particularly varied terrain.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 15 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
US 97 is the longest continuous segment at about 107.5 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on US 97 and I 82. You will hit about 10 points where you need to pay attention to lane position or signs. The trickiest moment comes around 80.9 miles in near US 97.
Driving Effort6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 191.2 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
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 189.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 190.5 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 10 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
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
8
189.8 mi into trip|~3h 34m in
Take the exit toward I 5 North: Vancouver British Columbia, James Street, Madison Street
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 2C
Toward I 5 North: Vancouver British Columbia, J...
6
190.5 mi into trip|~3h 35m in
Keep slight left at fork toward I 5 North: Vancouver British Columbia, Madison Street, Convention Center
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward I 5 North: Vancouver British Columbia, M...
8
190.7 mi into trip|~3h 35m in
Keep slight right at fork toward Madison Street, Convention Place
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward Madison Street, Convention Place
6
191 mi into trip|~3h 36m in|Madison Street
Turn left onto Madison Street
Lane positioning matters here
Use the left / straight lanes.
Main Roads
Road
Distance
Duration
US 97
107.5 mi
2h 1m
I 82
78.8 mi
1h 25m
Mount Baker Ridge Tunnel
1.3 mi
1m
Wine Country Road
1.2 mi
2m
Gap Road
0.2 mi
<1m
7th Street
0.2 mi
<1m
Madison Street
0.1 mi
<1m
Bennett Avenue
<0.1 mi
<1m
Longest stretch:
US 97
— 107.5 mi, about 2h 1m
Turn-by-Turn Driving Directions
Step-by-step road directions between Prosser, WA and Seattle, 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
107 mi·2 hr 1 min·US 97
Toward I 90 WestUse the straight / slight right lanes.
9
Continue on I 90
1.3 mi·1 min·Mount Baker Ridge Tunnel
Use the straight / slight right lanes.
10
Take the exit
0.7 mi·1 min
Exit 2CToward I 5 North: Vancouver British Columbia, James Street, Madison StreetUse the straight / slight right lanes.
11
Keep slight left at fork
0.2 mi·21 sec
Toward I 5 North: Vancouver British Columbia, Madison Street, Convention Center
12
Keep slight right at fork
0.3 mi·54 sec
Toward Madison Street, Convention PlaceUse the slight right lane.
13
Turn left onto Madison Street
0.1 mi·35 sec·Madison Street
Use the left / straight lanes.
14
Turn left
31 ft·2 sec
15
Arrive at destination
Trip Plan
This drive is comfortably achievable in one day, so you have flexibility with your departure time. Consider leaving earlier in the morning to avoid any potential afternoon traffic as you approach Seattle. With a total duration of just under four hours, you'll only need one planned stop for a break or to refuel. Keep an eye on your fuel gauge, especially during the 107.5-mile stretch on US 97, to ensure you have enough to reach a service area. The $40 fuel estimate is a good baseline for budgeting this journey.
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 95.6 miles from Prosser, WA, or about 1h 47m into the drive.
The longest continuous stretch on this route runs about 107.5 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 42 miles or 48m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 95.6 miles or 1h 47m 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 56m
Traffic, exits, and arrival timing usually matter more near Seattle, 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 191.2 miles and 3h 37m.
Your first comfortable stop window is around 42 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 107.5 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 95.6 mi from Prosser, WA
· 1h 47m into the drive
Place data sourced from public business listings. Hours and availability may vary.
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...
0 mi from route
~1 min detour
Free
near mile 191.2
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $20 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
57.4
0
$20.08
$9.18
Efficient EV
47.8
0
$16.73
$7.65
EV Truck/SUV
76.5
0
$26.77
$12.24
Gas CO2
67 kg
EV CO2
22 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 Apr 15, 2026
Origin
Prosser, WA
Late night
in Prosser on Saturday
Local time
4:19 AM
PDT
Current temp
47°F
Unavailable
Live forecast
Destination
Seattle, WA
Late night
in Seattle on Saturday
Local time
4:19 AM
PDT
Current temp
49°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
2 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.
Frequently Asked Questions
The drive from Prosser, WA to Seattle, WA covers 191.2 miles and takes about 3h 37m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are US 97, I 82, Mount Baker Ridge Tunnel. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 95.6 miles from Prosser, WA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $40.02 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This drive requires moderate attention. Across 191.2 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 80.9 miles (US 97): Highway fork - watch signs carefully. Lane positioning matters here; at 189.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 190.5 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
The route from Prosser, WA to Seattle, WA does not surface many named destination signs beyond the main corridor.
Yes. Nearby national parks include Klondike Gold Rush - Seattle Unit National Historical Park.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, NREL for EV charging, and NPS for national parks. See our methodology for refresh cadence and limitations.
