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

The driving distance from Riverton, WA to Federal Way, WA is about 13.7 miles (22.1 km), with a travel time of about 00h 20m by car.

  • The straight-line flight distance is about 11.2 miles (18.1 km).
  • For a round trip, plan for roughly 00h 41m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
13.74 mi
00h 20m
Flight
11.22 mi
18.06 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Riverton.

Flight Distance

Direct air line
11.22 mi
Kilometers
18.06 km
Flight Time
00h 01m

Driving Distance

Road route
13.74 mi
Kilometers
22.12 km
Drive Time
00h 20m

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 00h 20m.

Arrival Snapshot
Arrive in Federal Way
Thu, Oct 15, 1:47 PM PDT
Return by in Riverton
Thu, Oct 15, 2:08 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Riverton
2026-10-15T13:26
Arrive Federal Way
Thu, Oct 15, 1:47 PM PDT
Route Timing
00h 20m
One way by road
Best Departure Window
7:00 AM to 7:00 PM PDT
Leave when it suits your day
Arrive between
7:21 AM to 7:21 PM PDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:48 PM PDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Riverton
10:00 PM PDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Des Moines
WA

City in Washington

From Riverton
6.8 mi
00h 10m
To Federal Way
6.9 mi
00h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
49°F
Overnight

Partly Cloudy

Starts
Thu, Oct 15 5:00 AM PDT
Wind
7 mph N
Destination
72°F
This Afternoon

Sunny

Starts
Thu, Oct 15 12:00 PM PDT
Wind
6 mph NNW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South 133rd Street

    1066 ft · 29 sec · South 133rd Street

  2. 2

    Continue on South 132nd Street

    781 ft · 29 sec · South 132nd Street

  3. 3

    At the end of the road, turn left onto Tukwila International Boulevard

    100 m · 6 sec · Tukwila International Boulevard

  4. 4

    Turn right onto 35th Avenue South

    86 m · 13 sec · 35th Avenue South

  5. 5

    Turn right onto South 130th Street

    1198 ft · 45 sec · South 130th Street

  6. 6

    Turn right onto East Marginal Way South

    1042 ft · 30 sec · East Marginal Way South

  7. 7

    Continue on South 133rd Street

    1259 ft · 41 sec · South 133rd Street

  8. 8

    Take the ramp left toward WA 599 South

    912 ft · 22 sec

  9. 9

    Merge slight left

    148 m · 7 sec

  10. 10

    Take the exit slight right toward I 5 South: Portland

    2225 ft · 32 sec

  11. 11

    Merge slight left

    8.5 mi · 11 min

  12. 12

    Take the exit slight right toward South 272nd Street

    2018 ft · 55 sec

  13. 13

    Turn right onto South 272nd Street

    2875 ft · 1 min · South 272nd Street

  14. 14

    Turn left onto Pacific Highway South

    2.5 mi · 5 min · Pacific Highway South

  15. 15

    Turn left onto South 312th Street

    64 m · 9 sec · South 312th Street

  16. 16

    Turn right

    7 m · 2 sec

  17. 17

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
17 steps
8 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
124.1 / 100 mi
Decision points by distance
Main Roads
I 5 South
8.87 mi · 65%
Pacific Highway South
2.49 mi · 18%
South 272nd Street
0.93 mi · 7%
South 133rd Street
0.44 mi · 3%
WA 599 South
0.26 mi · 2%
South 130th Street
0.23 mi · 2%
Longest Stretch

I 5 South

Merge slight left

8.45 mi · 00h 11m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 20m
Quick drive
Same-Day Return
00h 42m
Round-trip wheel time
Road vs Air
+2.5 mi
11.2 mi direct line
Halfway Stop
Des Moines
00h 10m from Riverton
Leave By
7:48 PM PDT
Flexible departure
Weather Watch

Partly Cloudy leaving Riverton and Sunny near Federal Way.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 13.7 miles (22.1 km) and usually takes 00h 20m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Des Moines is a useful midpoint, sitting about 6.8 miles from Riverton and 6.9 miles from Federal Way.

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

The direct path is about 11.2 miles (18.1 km), while the road route adds roughly 2.5 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:48 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.66 one way or $5.33 round trip. Estimated CO2 is about 4.4 kg one way.

What should you check before leaving?

Before you leave, expect Partly Cloudy around Riverton and Sunny near Federal Way.

Stop Ideas Near Des Moines

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Des Moines and the surrounding midpoint area.
Old City Hall Tacoma
Food stop 12.7 mi away

Old City Hall Tacoma

Tacoma , WA
625 Commerce St, Tacoma, WA 98402
Rating 4.8/5 5 reviews Coworking space,Restaurant,Retail space rental agency
Tukwila Community Center
Scenic stop 5.5 mi away

Tukwila Community Center

Tukwila , WA
12424 42nd Ave S, Tukwila, WA 98168
Rating 4.5/5 633 reviews City park,Community center
Stop photo coming soon
Practical stop 7.8 mi away

Auburn Building Permits

Auburn , WA
25 W Main St, Auburn, WA 98001
Rating 4.5/5 2 reviews City government office,Professional services
City of Covington
Meeting point 8.9 mi away

City of Covington

Covington , WA
16720 SE 271st St, Covington, WA 98042
Rating 4.2/5 5 reviews City Hall,City government office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Des Moines.

RAIL

Tukwila station

9 mi away
7301 South 158th St.
RAIL

Tacoma Dome Station

19 mi away
1001 Puyallup Avenue
RAIL

King Street Station

22 mi away
303 South Jackson Street
OTHER

Seattle (Ferry - Pier 69), Washington

24 mi away
2701 Alaskan Way

Flight Path Map

This map shows the direct air route between Riverton and Federal Way. Straight-line distance: 11.22 mi (18.06 km).

Photo coming soon

#1 Riverton

Situated in King County south of Seattle, this area lies primarily within the Green River Valley and surrounding slopes at an approximate elevation of 338 feet.

Population0
Coordinates47.4842700, -122.2945700
Altitude103
CountryUnited States
Federal Way

#2 Federal Way

A city in King County, Washington.

Population96,307
Coordinates47.3223200, -122.3126200
Altitude141
CountryUnited States
Start: South 133rd Street (-122.294569, 47.484214)
End: (-122.312612, 47.32232)

Estimated Travel Time

Distance: 22 km by road

SpeedTime
30 mph (48.3 km/h)00h 27m
40 mph (64.37 km/h)00h 20m
50 mph (80.47 km/h)00h 16m
60 mph (96.56 km/h)00h 13m
70 mph (112.65 km/h)00h 11m
80 mph (129 km/h)00h 10m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.49 gal
1.84 L · about $2.66
Round trip
$5.33
0.98 gal · 3.68 L
Estimated CO2
4.4 kg one way
Round trip: 8.7 kg / 19 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.44 $2.66 $5.33
Mid-grade $5.72 $2.80 $5.60
Premium $5.98 $2.93 $5.86
Diesel $7.29 $3.57 $7.15

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

There is no time difference between Riverton and Federal Way. The current time is 13:26:26.

Distance to Other Cities

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