How far is Federal Way, WA from Big Lake, WA?
The driving distance from Federal Way, WA to Big Lake, WA is about 88.2 miles (142 km), with a travel time of about 01h 55m by car.
- The straight-line flight distance is about 74.8 miles (120.3 km).
- For a round trip, plan for roughly 03h 51m 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 55m.
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.
City in Snohomish County, Washington, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Federal Way and Big Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Federal Way and Big Lake.
-
1
Start on the route
7 m · 7 sec
-
2
Turn left onto South 312th Street
48 m · 8 sec · South 312th Street
-
3
Turn right onto Pacific Highway South
2.5 mi · 4 min · Pacific Highway South
-
4
Turn right onto South 272nd Street
1.1 km · 2 min · South 272nd Street
-
5
Take the ramp left toward I-5 North: Seattle
2172 ft · 55 sec
-
6
Merge slight left
79 mi · 1 hr 36 min
-
7
Take the exit slight right toward WA 536 West: Kincaid Street
1007 ft · 25 sec
-
8
Turn sharp right onto Broad Street
2481 ft · 1 min · Broad Street
-
9
Turn left onto South 15th Street
1968 ft · 58 sec · South 15th Street
-
10
Turn right onto East Division Street
1.6 mi · 4 min · East Division Street
-
11
Enter the roundabout and take exit 2 toward East Division Street
23 m · 2 sec · East Division Street
-
12
Exit the roundabout onto East Division Street
1.3 km · 2 min · East Division Street
-
13
Continue on Mount Vernon Big Lake Road
1.2 km · 2 min · Mount Vernon Big Lake Road
-
14
At the end of the road, turn right onto State Route 9
1.5 mi · 2 min · State Route 9
-
15
Arrive at your destination
0 m · 1 sec · State Route 9
Car Route Details
A richer read on the saved driving route between Federal Way and Big Lake.
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-5 North
Merge slight left
79 mi · 01h 36m
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 Federal Way and Mostly Sunny near Big Lake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Federal Way to Big Lake?
The road trip is about 88.2 miles (142 km) and usually takes 01h 55m 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?
Mill Creek is a useful midpoint, sitting about 44.1 miles from Federal Way and 44.1 miles from Big Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 74.8 miles (120.3 km), while the road route adds roughly 13.4 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 2:38 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.90 one way or $33.81 round trip. Estimated CO2 is about 27.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Federal Way and Mostly Sunny near Big Lake.
Stop Ideas Near Mill Creek
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Mill Creek.
Everett Station
Edmonds station
Monroe, Washington
Monroe (Eastbound), WA
Flight Path Map
This map shows the direct air route between Federal Way and Big Lake. Straight-line distance: 74.73 mi (120.27 km).
#1 Federal Way
A city in King County, Washington.
| Population | 96,307 |
| Coordinates | 47.3223200, -122.3126200 |
| Altitude | 141 |
| Country | United States |
#2 Big Lake
Located east of Mount Vernon in Skagit County, this residential community surrounds its namesake body of water in the low-lying foothills of the Cascade Range.
| Population | 0 |
| Coordinates | 48.4028800, -122.2412700 |
| Altitude | 28 |
| Country | United States |
End: Big Lake (-122.24127, 48.40288)
Estimated Travel Time
Distance: 142 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 56m |
| 40 mph (64.37 km/h) | 02h 12m |
| 50 mph (80.47 km/h) | 01h 45m |
| 60 mph (96.56 km/h) | 01h 28m |
| 70 mph (112.65 km/h) | 01h 15m |
| 80 mph (129 km/h) | 01h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.44 | $16.90 | $33.81 |
| Mid-grade | $5.72 | $17.79 | $35.57 |
| Premium | $5.98 | $18.59 | $37.18 |
| Diesel | $7.29 | $22.68 | $45.36 |
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 · Oct 15, 2026