How far is Auburn, WA from Monroe, WA?
The driving distance from Auburn, WA to Monroe, WA is about 48.8 miles (78.5 km), with a travel time of about 01h 04m by car.
- The straight-line flight distance is about 39.7 miles (63.9 km).
- For a round trip, plan for roughly 02h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 04m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
The most populous city in Washington.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Auburn and Monroe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Auburn and Monroe.
-
1
Start on East Main Street
1135 ft · 41 sec · East Main Street
-
2
Turn left onto C Street Southwest
879 ft · 21 sec · C Street Southwest
-
3
Take the ramp right toward WA 18 West
1805 ft · 44 sec
-
4
Merge slight left onto State Route 18
779 ft · 11 sec · State Route 18
-
5
Take the exit slight right toward WA 167: Renton, Puyallup
1109 ft · 19 sec
-
6
Keep slight right to continue on WA 167 North: Kent, Renton
3177 ft · 54 sec
-
7
Merge slight left onto Valley Freeway
11.1 mi · 14 min · Valley Freeway
-
8
Take the exit slight right toward I 405 North: Bellevue
1.3 km · 1 min
-
9
Merge slight left
16.6 mi · 21 min
-
10
Keep slight right
3 mi · 4 min
-
11
Take the exit slight right toward WA 522: Bothell, Woodinville
1 mi · 1 min
-
12
Keep slight right to continue on WA 522 East: Woodinville
1440 ft · 25 sec
-
13
Merge slight left
13 mi · 17 min
-
14
Take the exit slight right toward US 2 East: Wenatchee
2396 ft · 58 sec
-
15
Merge slight left
2210 ft · 53 sec
-
16
Take the exit slight right
49 m · 5 sec
-
17
Turn right onto North Lewis Street
1336 ft · 47 sec · North Lewis Street
-
18
Arrive at your destination
0 m · 1 sec · South Lewis Street
Car Route Details
A richer read on the saved driving route between Auburn and Monroe.
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 405 North
Merge slight left
16.6 mi · 00h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Auburn and Mostly Cloudy near Monroe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Auburn to Monroe?
The road trip is about 48.8 miles (78.5 km) and usually takes 01h 04m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Bellevue is a useful midpoint, sitting about 24.4 miles from Auburn and 24.4 miles from Monroe.
How much longer is the road route than the straight-line distance?
The direct path is about 39.7 miles (63.9 km), while the road route adds roughly 9.1 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 4:22 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.00 one way or $18.00 round trip. Estimated CO2 is about 15.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Auburn and Mostly Cloudy near Monroe.
Stop Ideas Near Bellevue
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Tukwila Community Center
Renton City Human Services
Renton City Hall
Renton Police Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bellevue.
King Street Station
Seattle (Ferry - Pier 69), Washington
Tukwila station
Edmonds station
Flight Path Map
This map shows the direct air route between Auburn and Monroe. Straight-line distance: 39.72 mi (63.93 km).
#1 Auburn
The second most populous city in Pierce County, Washington.
| Population | 81,024 |
| Coordinates | 47.3073200, -122.2284500 |
| Altitude | 25 |
| Country | United States |
#2 Monroe
City in Snohomish County, Washington, United States
| Population | 20,681 |
| Coordinates | 47.8553800, -121.9709600 |
| Altitude | 22 |
| Country | United States |
End: Monroe (-121.97096, 47.85538)
Estimated Travel Time
Distance: 78 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 37m |
| 40 mph (64.37 km/h) | 01h 13m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 48m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $9.00 | $18.00 |
| Mid-grade | $5.57 | $9.58 | $19.15 |
| Premium | $5.77 | $9.93 | $19.85 |
| Diesel | $5.47 | $9.40 | $18.81 |
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 · May 06, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.