Trip from Federal Way, WA to Sammamish, WA

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

Loading...

station data

Best Time to Leave

Save up to 13 min
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.

Downtown Sammamish, WA, WA

Sammamish, WA

nicholas hatherly

Trip Overview

The drive from Federal Way, WA to Sammamish, WA covers 33.7 miles and takes about 48m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 405, I 5, WA 520 for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 13.8 miles on I 405. At current regular gas prices, budget about $7.07 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

0 planned breaks

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

16.8 miles from Federal Way, WA

A natural place for your longest stop of the day , about 24m into the drive .

Drive Character

This is a 48m highway drive covering 33.7 miles, with most of the trip on I 405 and I 5. The longest continuous stretch is about 13.8 miles on I 405.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 18 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 13.8 miles.

How Hard Is This Drive?

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.

Route Complexity 10/10

High effort - long or complex enough to need steady focus all day

This is a demanding drive. With 15 significant decision points across 33.7 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

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.

Critical Maneuvers

5 of 15 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

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

Towns Along This Route

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

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

Trip Plan

Morning Departure

Leave by 9 AM and you'll arrive before lunch.

Evening Departure

Even a 4 PM departure gets you there before dark in summer.

You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 16.8 miles from Federal Way, WA, or about 24m into the drive.
The longest continuous stretch on this route runs about 13.8 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 33.7 miles or 48m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 16.8 miles or 24m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 39m

Traffic, exits, and arrival timing usually matter more near Sammamish, WA than in the middle of the route.

Before You Leave

+

Open the route before leaving Federal Way, WA so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from Federal Way, WA

This is one driving day of about 33.7 miles and 48m.

Your first comfortable stop window is around 80 miles from Federal Way, WA.
This route can stay practical as a one-day drive if traffic stays reasonable.
You may only need one short stretch stop if conditions stay smooth.
The longest stretch is on I 405 for about 13.8 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 16.8 mi from Federal Way, WA · 24m into the drive

Mid-route town

Meal stop

Renton, WA

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

Redmond, WA

Fuel and coffee

A short stop after about 33.7 miles helps settle the day before fatigue starts building.

Renton, WA

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.

Arriving in Sammamish, WA

The final approach into Sammamish, WA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Sammamish, WA.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$7.07 one way

$14.15 round trip

$5.33/gal 25.4 MPG avg 12 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $5.57 $7.39 $14.77
premium $5.77 $7.66 $15.31
diesel $5.64 $7.49 $14.97

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$7

Meals

$25–$50

Total

$32–$57

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 11.8 kg one way. Prices: EIA weekly data, 2026-04-06.

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.

Forecast data refreshed 1 day ago

Origin

Federal Way, WA

Evening in Federal Way on Sunday

Local time

7:43 PM

PDT

Current temp

45°F

Mostly Cloudy

NNW 2 mph 9% chance Live forecast

Flood Warning

Flood Warning issued April 11 at 10:35AM PDT until April 12 at 8:28PM PDT by NWS Spokane WA

Destination

Sammamish, WA

Evening in Sammamish on Sunday

Local time

7:43 PM

PDT

Current temp

45°F

Mostly Cloudy then Patchy Fog

NNE 1 mph 12% chance Live forecast

Flood Warning

Flood Warning issued April 11 at 10:35AM PDT until April 12 at 8:28PM PDT by NWS Spokane WA

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

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

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

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.

Frequently Asked Questions

The drive from Federal Way, WA to Sammamish, WA covers 33.7 miles and takes about 48m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 405, I 5, 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 16.8 miles from Federal Way, WA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $7.07 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 demanding drive. With 15 significant decision points across 33.7 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
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.
Between Federal Way, WA and Sammamish, WA, road signs point toward Bellevue, Redmond and 124Th Avenue Northeast.

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Return Trip

Sammamish, WA to Federal Way, WA

Plan the drive back the other way.

34.5 mi 49m

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