Origin
Federal Way, WA
Night in Federal Way on Saturday
Local time
9:43 PM
PDT
Current temp
47°F
Unavailable
Live forecast
Trip from Federal Way, WA to Sammamish, WA
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
48m
Distance
33.7 mi
54 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 44m
★
6 AM
0h 48m
8 AM
0h 57m
10 AM
0h 51m
12 PM
0h 50m
3 PM
0h 52m
5 PM
0h 56m
8 PM
0h 46m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Sammamish, WA
Wikimedia Commons
Trip Overview
If you are traveling from Federal Way to Sammamish, expect a straightforward 33.7-mile journey that typically takes about 48 minutes. This route is perfectly suited for a single-day trip, as it connects two points within the Pacific Coast region of Washington. With a modest fuel budget of approximately $7, it is an affordable transit between the two cities. You will rely primarily on a network of major thoroughfares, including I-5, I-405, and WA-520. Because the drive is relatively short, you can easily complete it in one go without needing to plan for overnight stays.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 405 | 13.8 mi | 17m |
| I 5 | 6.9 mi | 8m |
| WA 520 | 5.3 mi | 6m |
| Pacific Highway South | 2.5 mi | 4m |
| East Lake Sammamish Parkway Northeast | 1.9 mi | 4m |
| South 272nd Street | 0.7 mi | 1m |
| Redmond Way | 0.4 mi | <1m |
| South 312th Street | <0.1 mi | <1m |
Longest stretch:
I 405
— 13.8 mi, about 17m
Turn-by-Turn Driving Directions
Step-by-step road directions between Federal Way, WA and Sammamish, WA.
1
Start on this road
24 ft
·
7 sec
·
this road
2
Turn left onto South 312th Street
158 ft
·
7 sec
·
South 312th Street
3
Turn right onto WA 99
2.5 mi
·
4 min
·
Pacific Highway South
4
Turn right onto South 272nd Street
0.7 mi
·
1 min
·
South 272nd Street
Use the right lane.
5
Take the ramp
0.4 mi
·
54 sec
Toward I-5 North: Seattle
Use the left lane.
6
Merge onto I 5
6.9 mi
·
8 min
·
I 5
Use the straight / slight right lanes.
7
Take the exit
448 ft
·
10 sec
Exit 154A-B
Toward WA 518 West, I 405 North: Seattle-Tacoma International Airport, Bellevue
Use the straight / slight right lanes.
8
Keep slight right at fork
0.4 mi
·
50 sec
Exit 154B
Toward I 405 North: Renton, Bellevue
Use the slight right lane.
9
Merge onto I 405
14 mi
·
17 min
·
I 405
Use the straight / slight right lanes.
10
Take the exit
0.5 mi
·
59 sec
Exit 14
Toward WA 520: Seattle, Redmond
Use the straight / slight right lanes.
11
Keep slight right at fork
453 ft
·
11 sec
Toward WA 520 East: 124th Avenue Northeast, Redmond
Use the slight right lane.
12
Keep slight left at fork
0.3 mi
·
34 sec
Toward 124th Avenue Northeast
Use the slight left lane.
13
Merge onto WA 520
5.3 mi
·
6 min
·
WA 520
Use the straight / slight right lanes.
14
Take the exit
0.4 mi
·
53 sec
Toward WA 202: Redmond Way
Use the straight / slight right lanes.
15
Turn right onto WA 202
0.4 mi
·
43 sec
·
Redmond Way
16
Turn slight right
346 ft
·
14 sec
Use the right lane.
17
Turn straight onto East Lake Sammamish Parkway Northeast
1.9 mi
·
4 min
·
East Lake Sammamish Parkway Northeast
Use the straight / right lanes.
18
Arrive at destination
East Lake Sammamish Parkway Northeast
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
17 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 33.7 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 16.8 miles from Federal Way, WA, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 155 decision points cluster between mile 10.5 and 25.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
10.5 mi into trip
|
~15m in
Take the exit toward WA 518 West, I 405 North: Seattle-Tacoma International Airport, Bellevue
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 154A-B
Toward WA 518 West, I 405 North: Seattle-Tacoma...
9
10.6 mi into trip
|
~16m in
Keep slight right at fork toward I 405 North: Renton, Bellevue
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 154B
Toward I 405 North: Renton, Bellevue
8
24.8 mi into trip
|
~34m in
Take the exit toward WA 520: Seattle, Redmond
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 14
Toward WA 520: Seattle, Redmond
8
25.3 mi into trip
|
~35m in
Keep slight right at fork toward WA 520 East: 124th Avenue Northeast, Redmond
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward WA 520 East: 124th Avenue Northeast, Red...
8
25.4 mi into trip
|
~35m in
Keep slight left at fork toward 124th Avenue Northeast
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward 124th Avenue Northeast
Fuel & Cost
Regular Gas
$7.05 one way
$14.11 round trip
$5.32/gal
25.4 MPG avg
12 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.58 | $7.40 | $14.79 |
| premium | $5.77 | $7.65 | $15.31 |
| diesel | $5.61 | $7.44 | $14.88 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$7
Estimated CO2 emission: 11.8 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 10.1 | 0 | $3.54 | $1.62 |
| Efficient EV | 8.4 | 0 | $2.95 | $1.35 |
| EV Truck/SUV | 13.5 | 0 | $4.72 | $2.16 |
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
Sammamish, WA
Night in Sammamish on Saturday
Local time
9:43 PM
PDT
Current temp
56°F
Sunny
SW 3 mph
2% chance
Live forecast
Freeze Warning
Freeze Warning issued April 16 at 6:46AM PDT until April 17 at 9:00AM PDT by NWS Pendleton OR
Freeze Warning
Freeze Warning issued April 16 at 6:46AM PDT until April 17 at 9:00AM PDT by NWS Pendleton OR
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
9 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
48m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
This is a highway-focused drive, with 83% of your time spent on high-speed roads. You should prepare for a consistent interstate experience, as the route requires navigating significant stretches of I-405 and I-5. The longest uninterrupted segment you will encounter is a 13.8-mile stretch on I-405, which dictates the overall pace of the trip. Expect a practical, utilitarian road personality rather than a winding scenic tour. The combination of these major arteries makes for a direct, albeit busy, experience behind the wheel.
83% highway — fuel and pacing are the main things to plan.
18 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 13.8 mi on I 405.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on I 405 and I 5. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 10.5 miles in.
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 15 decision points packed into just 33.7 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 48m.
Where does it get tricky?
The main spots that need attention: at 10.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 10.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 24.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Federal Way, WA and Sammamish, WA, road signs point toward Bellevue, Redmond and 124Th Avenue Northeast.
Bellevue
10.5 mi in
|
~15m
Redmond
24.8 mi in
|
~34m
124Th Avenue Northeast
25.4 mi in
|
~35m
About the Cities
Starting in Federal Way, WA
Full guide →Federal Way is a city in King County on the Puget Sound of Washington State. It is the home of the Pacific Bonsai Museum and Rhododendron Species Botanical Gardens. With a population of 96,000 (2016), Federal Way is one of Seattle's largest suburbs.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 48m. Total distance: 33.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
48m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (83%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 13.8 miles on I 405. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Sammamish, WA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 10.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 10.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 24.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes. A round trip is manageable in a single day if you plan a break at Sammamish, WA before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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