How far is Mill Plain, WA from Renton, WA?

The driving distance from Mill Plain, WA to Renton, WA is about 162.2 miles (261.1 km), with a travel time of about 02h 50m by car.

  • The straight-line flight distance is about 127.8 miles (205.7 km).
  • For a round trip, plan for roughly 05h 41m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
162.26 mi
02h 50m
Flight
127.81 mi
205.69 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Mill Plain.

Flight Distance

Direct air line
127.81 mi
Kilometers
205.69 km
Flight Time
00h 15m

Driving Distance

Road route
162.26 mi
Kilometers
261.14 km
Drive Time
02h 50m

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 50m.

Arrival Snapshot
Arrive in Renton
Wed, Apr 22, 11:21 PM PDT
Return by in Mill Plain
Thu, Apr 23, 2:11 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mill Plain
2026-04-22T20:30
Arrive Renton
Wed, Apr 22, 11:21 PM PDT
Route Timing
02h 50m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
10:51 AM to 12:51 PM PDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:48 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Mill Plain
9:30 PM PDT
Morning start is best

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
Chehalis
WA

City in and county seat of Lewis County, Washington, United States

From Mill Plain
80.7 mi
01h 25m
To Renton
81.5 mi
01h 25m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Wednesday

Light Rain

Starts
Wed, Apr 22 6:00 AM PDT
Wind
7 to 13 mph SW
Destination
56°F
Wednesday

Light Rain Likely

Starts
Wed, Apr 22 6:00 AM PDT
Wind
7 to 10 mph SW

Driving Route Map

The map below follows the saved road route between Mill Plain and Renton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Mill Plain and Renton.

  1. 1

    Start on the route

    559 ft · 36 sec

  2. 2

    Turn left onto Northeast 29th Street

    61 m · 11 sec · Northeast 29th Street

  3. 3

    Turn right onto Northeast 172nd Avenue

    2266 ft · 1 min · Northeast 172nd Avenue

  4. 4

    Turn left onto Northeast 39th Street

    1.8 mi · 4 min · Northeast 39th Street

  5. 5

    Enter the roundabout and take exit 1 toward Northeast 137th Avenue

    5 m · 1 sec · Northeast 137th Avenue

  6. 6

    Exit the roundabout onto Northeast 137th Avenue

    1201 ft · 29 sec · Northeast 137th Avenue

  7. 7

    Enter the roundabout and take exit 2 toward Northeast 137th Avenue

    29 m · 2 sec · Northeast 137th Avenue

  8. 8

    Exit the roundabout onto Northeast 137th Avenue

    1247 ft · 31 sec · Northeast 137th Avenue

  9. 9

    Enter the roundabout and take exit 3 toward Northeast 49th Street

    64 m · 4 sec · Northeast 49th Street

  10. 10

    Exit the roundabout onto Northeast 49th Street

    1.3 mi · 3 min · Northeast 49th Street

  11. 11

    At the end of the road, turn right onto Northeast 112th Avenue

    1683 ft · 37 sec · Northeast 112th Avenue

  12. 12

    Continue on Northeast Gher Road

    30 m · 9 sec · Northeast Gher Road

  13. 13

    Turn left onto WA 500 West

    1089 ft · 27 sec

  14. 14

    Merge slight left

    774 ft · 12 sec

  15. 15

    Take the exit slight right toward I 205 North: Seattle

    1.2 km · 1 min

  16. 16

    Merge slight left

    6.1 mi · 8 min

  17. 17

    Merge slight left

    125.5 mi · 2 hr 22 min

  18. 18

    Keep slight right

    20.7 mi · 26 min

  19. 19

    Take the exit slight right toward WA 518 West, I 405 North: Seattle-Tacoma International Airport, Bellevue

    136 m · 11 sec

  20. 20

    Keep slight right to continue on I 405 North: Renton, Bellevue

    2062 ft · 50 sec

  21. 21

    Merge slight left

    1.3 mi · 2 min

  22. 22

    Take the exit slight right toward WA 167 South: Renton, Auburn

    2161 ft · 31 sec

  23. 23

    Keep slight left to continue on Renton, Rainier Avenue South

    1520 ft · 27 sec

  24. 24

    Keep slight right to continue on WA 167 North: Renton, Rainier Avenue South

    1005 ft · 43 sec

  25. 25

    Merge slight left onto Valley Freeway

    1102 ft · 23 sec · Valley Freeway

  26. 26

    Continue on Rainier Avenue South

    1.5 km · 2 min · Rainier Avenue South

  27. 27

    Turn right

    12 m · 3 sec

  28. 28

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Mill Plain and Renton.

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
14
5 merges, 9 ramps or exits
Navigation Density
17.3 / 100 mi
Decision points by distance
Main Roads
I 205 North
153 mi · 94%
Northeast 39th Street
1.75 mi · 1%
I 405 North
1.69 mi · 1%
Northeast 49th Street
1.29 mi · 1%
Rainier Avenue South
0.91 mi · 1%
WA 167 South
0.7 mi
Longest Stretch

I 205 North

Merge slight left

126 mi · 02h 22m

Route Summary

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

Trip Read

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.

Drive Time
02h 50m
Day trip friendly
Same-Day Return
05h 42m
Round-trip wheel time
Road vs Air
+34.4 mi
127.8 mi direct line
Halfway Stop
Chehalis
01h 25m from Mill Plain
Leave By
12:48 PM PDT
Morning start is best
Weather Watch

Light Rain leaving Mill Plain and Light Rain Likely near Renton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Mill Plain to Renton?

The road trip is about 162.2 miles (261.1 km) and usually takes 02h 50m 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?

Chehalis is a useful midpoint, sitting about 80.7 miles from Mill Plain and 81.5 miles from Renton.

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

The direct path is about 127.8 miles (205.7 km), while the road route adds roughly 34.4 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 12:48 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $29.93 one way or $59.87 round trip. Estimated CO2 is about 50.8 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain around Mill Plain and Light Rain Likely near Renton.

Stop Ideas Near Chehalis

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

Mid-route Guidance
Local place coverage is thin around Chehalis, 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 Chehalis.

RAIL

Centralia station

6 mi away
210 Railroad Avenue
RAIL

Centennial Station

39 mi away
6600 Yelm Highway S.E.
RAIL

Kelso Multimodal Transportation Center

58 mi away
501 South First Street
RAIL

Tacoma Dome Station

77 mi away
1001 Puyallup Avenue

Flight Path Map

This map shows the direct air route between Mill Plain and Renton. Straight-line distance: 127.81 mi (205.69 km).

Mill Plain

#1 Mill Plain

Census designated place

Population7,874
Coordinates45.6429000, -122.4939800
Altitude84
CountryUnited States
Renton

#2 Renton

The second most populous city in King County, Washington.

Population101,494
Coordinates47.4828800, -122.2170700
Altitude12
CountryUnited States
Start: (-122.493982, 45.643)
End: (-122.217044, 47.482897)

Estimated Travel Time

Distance: 261 km by road

SpeedTime
30 mph (48.3 km/h)05h 24m
40 mph (64.37 km/h)04h 03m
50 mph (80.47 km/h)03h 14m
60 mph (96.56 km/h)02h 42m
70 mph (112.65 km/h)02h 19m
80 mph (129 km/h)02h 01m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.72 gal
21.67 L · about $29.93
Round trip
$59.87
11.44 gal · 43.34 L
Estimated CO2
50.8 kg one way
Round trip: 101.7 kg / 224 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $29.93 $59.87
Mid-grade $5.57 $31.84 $63.69
Premium $5.77 $33.01 $66.02
Diesel $5.47 $31.27 $62.54

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 Mill Plain and Renton. The current time is 20:30:34.

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.