How far is Federal Way, WA from Sunnyside, WA?

The driving distance from Federal Way, WA to Sunnyside, WA is about 154.5 miles (248.6 km), with a travel time of about 03h 06m by car.

  • The straight-line flight distance is about 116 miles (186.7 km).
  • For a round trip, plan for roughly 06h 13m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
154.45 mi
03h 06m
Flight
116.02 mi
186.71 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Federal Way.

Flight Distance

Direct air line
116.02 mi
Kilometers
186.71 km
Flight Time
00h 14m

Driving Distance

Road route
154.45 mi
Kilometers
248.56 km
Drive Time
03h 06m

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 03h 06m.

Arrival Snapshot
Arrive in Sunnyside
Thu, Apr 23, 3:47 AM PDT
Return by in Federal Way
Thu, Apr 23, 6:54 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Federal Way
2026-04-23T00:40
Arrive Sunnyside
Thu, Apr 23, 3:47 AM PDT
Route Timing
03h 06m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
9:07 AM to 11:07 AM PDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:46 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Federal Way
9:00 PM PDT
Early departure recommended

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.

Mid-route stop
Napavine
WA

City in Lewis County, Washington, United States

From Federal Way
77.2 mi
01h 33m
To Sunnyside
77.3 mi
01h 33m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM PDT
Wind
2 to 6 mph NNW
Destination
64°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM PDT
Wind
3 to 8 mph SW

Driving Route Map

The map below follows the saved road route between Federal Way and Sunnyside.

Turn-by-Turn Driving Directions

Step-by-step road directions between Federal Way and Sunnyside.

  1. 1

    Start on the route

    7 m · 7 sec

  2. 2

    Turn left onto South 312th Street

    48 m · 6 sec · South 312th Street

  3. 3

    Turn left onto Pacific Highway South

    1.8 mi · 3 min · Pacific Highway South

  4. 4

    Turn left onto 16th Avenue South

    2572 ft · 1 min · 16th Avenue South

  5. 5

    Turn left onto State Route 18

    152 m · 14 sec · State Route 18

  6. 6

    Take the exit slight right toward I 5 North, I 5 South: Seattle, Tacoma

    633 ft · 16 sec

  7. 7

    Keep slight right to continue on I 5 South: Tacoma

    1763 ft · 45 sec

  8. 8

    Merge slight left

    7.5 mi · 9 min

  9. 9

    Keep slight right

    126.2 mi · 2 hr 23 min

  10. 10

    Keep slight right to continue on I 205 South: Salem

    4.2 mi · 6 min

  11. 11

    Take the exit slight right toward Padden Parkway, Northeast Andresen Road

    1573 ft · 42 sec

  12. 12

    Turn left onto Northeast Padden Parkway

    4 mi · 6 min · Northeast Padden Parkway

  13. 13

    Turn right onto Northeast 152nd Avenue

    1201 ft · 31 sec · Northeast 152nd Avenue

  14. 14

    Continue on Northeast 78th Street

    2568 ft · 1 min · Northeast 78th Street

  15. 15

    Turn right onto Northeast 162nd Avenue

    2606 ft · 1 min · Northeast 162nd Avenue

  16. 16

    Turn left onto Northeast Fourth Plain Boulevard

    1.4 km · 2 min · Northeast Fourth Plain Boulevard

  17. 17

    Enter the roundabout and take exit 1 toward Northeast Fourth Plain Boulevard

    12 m · 1 sec · Northeast Fourth Plain Boulevard

  18. 18

    Exit the roundabout onto Northeast Fourth Plain Boulevard

    1.2 km · 1 min · Northeast Fourth Plain Boulevard

  19. 19

    Continue on Northeast 58th Street

    2 mi · 3 min · Northeast 58th Street

  20. 20

    Continue on Northeast 232nd Avenue

    933 ft · 18 sec · Northeast 232nd Avenue

  21. 21

    Continue on Northeast 54th Street

    1195 ft · 23 sec · Northeast 54th Street

  22. 22

    Keep slight right to continue on Northeast 237th Avenue

    108 m · 12 sec · Northeast 237th Avenue

  23. 23

    Turn left onto Northeast 53rd Street

    1.1 mi · 2 min · Northeast 53rd Street

  24. 24

    Continue on Northeast Bradford Road

    1.2 mi · 2 min · Northeast Bradford Road

  25. 25

    Continue on Northeast 53rd Street

    2134 ft · 36 sec · Northeast 53rd Street

  26. 26

    Continue on Northeast 292nd Avenue

    1.3 mi · 2 min · Northeast 292nd Avenue

  27. 27

    Turn left onto Northeast Stauffer Road

    42 m · 4 sec · Northeast Stauffer Road

  28. 28

    Arrive at your destination

    0 m · 1 sec · Northeast Stauffer Road

Car Route Details

A richer read on the saved driving route between Federal Way and Sunnyside.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
28 steps
12 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
18.1 / 100 mi
Decision points by distance
Main Roads
I 5 South
134 mi · 87%
I 205 South
4.24 mi · 3%
Northeast Padden Parkway
3.98 mi · 3%
Northeast 58th Street
2.02 mi · 1%
Pacific Highway South
1.8 mi · 1%
Northeast Fourth Plain Boulevard
1.62 mi · 1%
Longest Stretch

I 5 South

Keep slight right

126 mi · 02h 23m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 06m
Long day trip
Same-Day Return
06h 14m
Round-trip wheel time
Road vs Air
+38.5 mi
116 mi direct line
Halfway Stop
Napavine
01h 33m from Federal Way
Leave By
10:46 AM PDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Federal Way and Mostly Sunny near Sunnyside.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Federal Way to Sunnyside?

The road trip is about 154.5 miles (248.6 km) and usually takes 03h 06m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Napavine is a useful midpoint, sitting about 77.2 miles from Federal Way and 77.3 miles from Sunnyside.

How much longer is the road route than the straight-line distance?

The direct path is about 116 miles (186.7 km), while the road route adds roughly 38.5 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 10:46 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $28.52 one way or $57.04 round trip. Estimated CO2 is about 48.4 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Federal Way and Mostly Sunny near Sunnyside.

Stop Ideas Near Napavine

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Napavine, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Napavine.

RAIL

Centralia station

16 mi away
210 Railroad Avenue
RAIL

Centennial Station

47 mi away
6600 Yelm Highway S.E.
RAIL

Kelso Multimodal Transportation Center

48 mi away
501 South First Street
BUS

Astoria Transit Center

83 mi away
900 Marine Drive

Flight Path Map

This map shows the direct air route between Federal Way and Sunnyside. Straight-line distance: 116.02 mi (186.71 km).

Federal Way

#1 Federal Way

A city in King County, Washington.

Population96,307
Coordinates47.3223200, -122.3126200
Altitude141
CountryUnited States
Sunnyside

#2 Sunnyside

City in Washington, United States

Population16,924
Coordinates45.6437300, -122.3720400
Altitude121
CountryUnited States
Start: Federal Way (-122.31262, 47.32232)
End: Sunnyside (-122.37204, 45.64373)

Estimated Travel Time

Distance: 249 km by road

SpeedTime
30 mph (48.3 km/h)05h 08m
40 mph (64.37 km/h)03h 51m
50 mph (80.47 km/h)03h 05m
60 mph (96.56 km/h)02h 34m
70 mph (112.65 km/h)02h 12m
80 mph (129 km/h)01h 55m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.45 gal
20.63 L · about $28.52
Round trip
$57.04
10.9 gal · 41.26 L
Estimated CO2
48.4 kg one way
Round trip: 96.9 kg / 214 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $28.52 $57.04
Mid-grade $5.57 $30.34 $60.68
Premium $5.77 $31.45 $62.90
Diesel $5.47 $29.80 $59.59

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 · Apr 23, 2026

There is no time difference between Federal Way and Sunnyside. The current time is 00:40:46.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.