How far is Federal Way, WA from Marietta, WA?
The driving distance from Federal Way, WA to Marietta, WA is about 117.6 miles (189.2 km), with a travel time of about 02h 27m by car.
- The straight-line flight distance is about 102 miles (164.1 km).
- For a round trip, plan for roughly 04h 55m 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 02h 27m.
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.
Census designated place
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 Marietta.
Turn-by-Turn Driving Directions
Step-by-step road directions between Federal Way and Marietta.
-
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
110.2 mi · 2 hr 13 min
-
7
Take the exit slight right toward Bakerview Road, Bellingham International Airport
1449 ft · 43 sec · Exit 258 Bakerview Road / Bellingham International Airport
-
8
Turn left onto West Bakerview Road
1409 ft · 36 sec · West Bakerview Road
-
9
Continue on Airport Drive
1.3 km · 1 min · Airport Drive
-
10
Continue on Alderwood Avenue
1436 ft · 31 sec · Alderwood Avenue
-
11
Turn right onto Marine Drive
2.1 mi · 5 min · Marine Drive
-
12
Turn right onto Bayon Road
11 m · 2 sec · Bayon Road
-
13
Arrive at your destination
0 m · 1 sec · Bayon Road
Car Route Details
A richer read on the saved driving route between Federal Way and Marietta.
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
110 mi · 02h 13m
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 Marietta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Federal Way to Marietta?
The road trip is about 117.6 miles (189.2 km) and usually takes 02h 27m 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?
North Marysville is a useful midpoint, sitting about 58.7 miles from Federal Way and 58.8 miles from Marietta.
How much longer is the road route than the straight-line distance?
The direct path is about 102 miles (164.1 km), while the road route adds roughly 15.6 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 1:34 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.56 one way or $45.11 round trip. Estimated CO2 is about 36.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Federal Way and Mostly Sunny near Marietta.
Stop Ideas Near North Marysville
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 North Marysville.
Everett Station
Stanwood station
Monroe, Washington
Monroe (Eastbound), WA
Flight Path Map
This map shows the direct air route between Federal Way and Marietta. Straight-line distance: 101.95 mi (164.08 km).
#1 Federal Way
A city in King County, Washington.
| Population | 96,307 |
| Coordinates | 47.3223200, -122.3126200 |
| Altitude | 141 |
| Country | United States |
#2 Marietta
Situated at an elevation of 10 feet along Bellingham Bay, this low-lying Whatcom County community is located near the outlet of the Nooksack River.
| Population | 0 |
| Coordinates | 48.7870500, -122.5804500 |
| Altitude | 3 |
| Country | United States |
End: Marietta (-122.58045, 48.78705)
Estimated Travel Time
Distance: 189 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 54m |
| 40 mph (64.37 km/h) | 02h 56m |
| 50 mph (80.47 km/h) | 02h 21m |
| 60 mph (96.56 km/h) | 01h 57m |
| 70 mph (112.65 km/h) | 01h 40m |
| 80 mph (129 km/h) | 01h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.44 | $22.56 | $45.11 |
| Mid-grade | $5.72 | $23.73 | $47.47 |
| Premium | $5.98 | $24.80 | $49.61 |
| Diesel | $7.29 | $30.26 | $60.52 |
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