Origin
Monroe, WA
Morning in Monroe on Saturday
Local time
6:35 AM
PDT
Current temp
59°F
Unavailable
Live forecast
Trip from Monroe, WA to Seattle, WA
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
46m
Distance
32.9 mi
53 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$7
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 42m
★
6 AM
0h 46m
8 AM
0h 54m
10 AM
0h 49m
12 PM
0h 48m
3 PM
0h 49m
5 PM
0h 53m
8 PM
0h 44m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Monroe, WA
Wikimedia Commons
Seattle, WA
Wikimedia Commons
Trip Overview
This straightforward 32.9-mile drive from Monroe, WA to Seattle, WA takes approximately 46 minutes and is a perfect candidate for a single-day trip. You'll primarily be on I-405 and WA 520, with State Highway 522 also playing a role, making it a heavily highway-focused experience. With a fuel cost estimated at $7, this route is quite budget-friendly for a quick journey. Since there are no recommended stops and the drive is relatively short, you'll have plenty of flexibility to adjust your schedule. Both your origin and destination are within the Pacific Coast region, so you won't be crossing any major geographical boundaries.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 46m. Total distance: 32.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
46m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (94%). Some complex stretches to watch for.
Drive Character
Expect a predominantly highway-focused drive, with 94% of the route utilizing major roadways like I-405 and WA 520. The longest uninterrupted stretch you'll encounter is 8.3 miles on I-405, offering a consistent pace. This drive is characterized by its efficiency, designed for covering ground quickly rather than for leisurely sightseeing. While the focus is on the road, the transition between State Highway 522 and the interstate systems will be noticeable as you approach Seattle.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 17 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 405 is the longest continuous segment at about 8.3 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 405 and State Highway 522. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.8 miles in near WA 522 / State Highway 522.
Driving Effort
10/10
Focused - lots of decisions in a short distance, but it is over quickly
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 14 decision points packed into just 32.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 46m.
Where does it get tricky?
The main spots that need attention: at 0.8 miles (WA 522 / State Highway 522): Exit ramp - move to the correct lane early. Lane positioning matters here; at 23.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 23.3 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 14 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
8
0.8 mi into trip
|
~2m in
|
WA 522 / State Highway 522
Take the exit onto WA 522 / State Highway 522 toward WA 522 West
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the right lane.
Toward WA 522 West
8
23.2 mi into trip
|
~31m in
Take the exit toward WA 520 East, WA 520 West: Redmond, Seattle
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 14
Toward WA 520 East, WA 520 West: Redmond, Seatt...
8
23.3 mi into trip
|
~31m in
Keep slight right at fork toward WA 520 West: Seattle
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Exit 14
Toward WA 520 West: Seattle
7
30 mi into trip
|
~40m in
|
WA 520
Keep slight left at fork onto WA 520 toward I 5 South: Portland
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 5 South: Portland
7
32.3 mi into trip
|
~43m in
Take the exit toward Union Street
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 165B
Toward Union Street
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 405 | 8.3 mi | 10m |
| State Highway 522 | 7.5 mi | 10m |
| WA 520 | 6.9 mi | 9m |
| State Route 522 | 5.8 mi | 7m |
| I 5 | 1.8 mi | 2m |
| US 2 | 0.6 mi | 1m |
| South Lewis Street | 0.3 mi | <1m |
| 5th Avenue | 0.3 mi | <1m |
Longest stretch:
I 405
— 8.3 mi, about 10m
Turn-by-Turn Driving Directions
Step-by-step road directions between Monroe, WA and Seattle, WA.
1
Start on WA 203
0.3 mi
·
52 sec
·
South Lewis Street
2
Turn left onto US 2
0.6 mi
·
1 min
·
US 2
Use the left lane.
3
Take the exit onto WA 522
7.5 mi
·
10 min
·
State Highway 522
Toward WA 522 West
Use the right lane.
4
Continue on WA 522
5.8 mi
·
7 min
·
State Route 522
Use the straight / right lanes.
5
Take the exit
0.8 mi
·
58 sec
Toward I 405 South: Bellevue
Use the straight / slight right lanes.
6
Turn slight left onto I 405
8.3 mi
·
10 min
·
I 405
Use the straight / slight right lanes.
7
Take the exit
457 ft
·
11 sec
Exit 14
Toward WA 520 East, WA 520 West: Redmond, Seattle
Use the slight right lane.
8
Keep slight right at fork
0.3 mi
·
40 sec
Exit 14
Toward WA 520 West: Seattle
Use the slight right lane.
9
Merge onto WA 520
6.4 mi
·
8 min
·
WA 520
Use the straight / slight right lanes.
10
Keep slight left at fork onto WA 520
0.5 mi
·
57 sec
·
WA 520
Toward I 5 South: Portland
Use the straight / slight right lanes.
11
Merge onto I 5
1.8 mi
·
2 min
·
I 5
Use the straight / slight right lanes.
12
Take the exit
0.2 mi
·
25 sec
Exit 165B
Toward Union Street
Use the slight right lane.
13
Continue on Union Street
0.2 mi
·
41 sec
·
Union Street
Use the straight / left / right lanes.
14
Turn left onto 5th Avenue
0.3 mi
·
55 sec
·
5th Avenue
Use the left lane.
15
Turn right onto Madison Street
113 ft
·
9 sec
·
Madison Street
16
Turn left
31 ft
·
2 sec
17
Arrive at destination
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 16.4 mi from Monroe, WA · 22m into the drive
Mid-route town
Meal stop
16 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 32.9 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 16.4 miles from Monroe, WA, which is a good place for a longer meal and fuel stop.
Arriving in Seattle, WA
Allow a few extra minutes for the final approach into Seattle, WA if you are unfamiliar with the area.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$6.89 one way
$13.77 round trip
$5.32/gal
25.4 MPG avg
12 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.58 | $7.22 | $14.44 |
| premium | $5.77 | $7.47 | $14.94 |
| diesel | $5.61 | $7.26 | $14.53 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$7
Estimated CO2 emission: 11.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 9.9 | 0 | $3.45 | $1.58 |
| Efficient EV | 8.2 | 0 | $2.88 | $1.32 |
| EV Truck/SUV | 13.2 | 0 | $4.61 | $2.11 |
Gas CO2
12 kg
EV CO2
4 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.
Destination
Seattle, WA
Morning in Seattle on Saturday
Local time
6:35 AM
PDT
Current temp
49°F
Unavailable
Live forecast
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 cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
46m 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 Monroe, WA to Seattle, WA covers 32.9 miles and takes about 46m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 405, State Highway 522, WA 520. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 16.4 miles from Monroe, WA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $6.89 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a short but busy drive. With 14 decision points packed into just 32.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 46m.
The main spots that need attention: at 0.8 miles (WA 522 / State Highway 522): Exit ramp - move to the correct lane early. Lane positioning matters here; at 23.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 23.3 miles: Highway fork - watch signs carefully. Lane positioning matters here.
The route from Monroe, 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, and NPS for national parks. See our methodology for refresh cadence and limitations.
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