How far is Birch Bay, WA from Renton, WA?

The driving distance from Birch Bay, WA to Renton, WA is about 121.2 miles (195 km), with a travel time of about 02h 04m by car.

  • The straight-line flight distance is about 102.1 miles (164.3 km).
  • For a round trip, plan for roughly 04h 08m 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
121.16 mi
02h 04m
Flight
102.09 mi
164.29 km direct

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

Learn Distance

Choose another destination from Birch Bay.

Flight Distance

Direct air line
102.09 mi
Kilometers
164.29 km
Flight Time
00h 12m

Driving Distance

Road route
121.16 mi
Kilometers
194.99 km
Drive Time
02h 04m

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 04m.

Arrival Snapshot
Arrive in Renton
Fri, Apr 17, 5:33 PM PDT
Return by in Birch Bay
Fri, Apr 17, 7:37 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Birch Bay
2026-04-17T15:29
Arrive Renton
Fri, Apr 17, 5:33 PM PDT
Route Timing
02h 04m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
10:04 AM to 12:04 PM PDT

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

Leave by
2:22 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Birch Bay
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
Lake Ketchum
WA

Census designated place

From Birch Bay
59.7 mi
01h 02m
To Renton
61.5 mi
01h 02m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
51°F
Friday

Partly Sunny

Starts
Fri, Apr 17 6:00 AM PDT
Wind
6 mph S
Destination
58°F
Friday

Partly Sunny

Starts
Fri, Apr 17 6:00 AM PDT
Wind
3 mph SW

Driving Route Map

The map below follows the saved road route between Birch Bay and Renton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Birch Bay and Renton.

  1. 1

    Start on the route

    14 m · 9 sec

  2. 2

    Turn left onto Alderson Road

    1.3 km · 2 min · Alderson Road

  3. 3

    At the end of the road, turn left onto Blaine Road

    1.3 mi · 2 min · Blaine Road

  4. 4

    Turn right onto Birch Bay Lynden Road

    2.9 mi · 4 min · Birch Bay Lynden Road

  5. 5

    Take the ramp right toward I 5 South

    1516 ft · 37 sec · US I-5 South Onramp

  6. 6

    Merge slight left

    86.9 mi · 1 hr 41 min

  7. 7

    Take the exit slight right toward I 405 South: Bellevue, Renton

    1.5 km · 1 min

  8. 8

    Merge slight left

    1.5 km · 1 min

  9. 9

    Keep slight right

    23.1 mi · 29 min

  10. 10

    Take the exit slight right toward WA 900 East: Park Avenue North, Sunset Boulevard Northeast

    1509 ft · 37 sec

  11. 11

    Turn right onto North Southport Drive

    1836 ft · 49 sec · North Southport Drive

  12. 12

    Continue on Logan Avenue North

    1.1 mi · 3 min · Logan Avenue North

  13. 13

    Continue on Airport Way South

    2113 ft · 60 sec · Airport Way South

  14. 14

    Turn left onto Rainier Avenue South

    777 ft · 24 sec · Rainier Avenue South

  15. 15

    Turn left

    12 m · 3 sec

  16. 16

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Birch Bay 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
16 steps
6 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
13.2 / 100 mi
Decision points by distance
Main Roads
US I-5 South Onramp
43.6 mi · 36%
I 5 South
43.6 mi · 36%
I 405 South
24.9 mi · 21%
Birch Bay Lynden Road
2.87 mi · 2%
Blaine Road
1.26 mi · 1%
Logan Avenue North
1.11 mi · 1%
Longest Stretch

US I-5 South Onramp

Merge slight left

86.9 mi · 01h 41m

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 04m
Day trip friendly
Same-Day Return
04h 08m
Round-trip wheel time
Road vs Air
+19.1 mi
102.1 mi direct line
Halfway Stop
Lake Ketchum
01h 02m from Birch Bay
Leave By
2:22 PM PDT
Morning start is best
Weather Watch

Partly Sunny leaving Birch Bay and Partly Sunny near Renton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Birch Bay to Renton?

The road trip is about 121.2 miles (195 km) and usually takes 02h 04m 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?

Lake Ketchum is a useful midpoint, sitting about 59.7 miles from Birch Bay and 61.5 miles from Renton.

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

The direct path is about 102.1 miles (164.3 km), while the road route adds roughly 19.1 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 2:22 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.34 one way or $44.69 round trip. Estimated CO2 is about 37.9 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Birch Bay and Partly Sunny near Renton.

Stop Ideas Near Lake Ketchum

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

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

RAIL

Stanwood station

5 mi away
27111 Florence Way
RAIL

Skagit Transportation Center

17 mi away
105 East Kincaid St.
RAIL

Everett Station

35 mi away
3201 Smith Ave.
RAIL

Bellingham station

50 mi away
401 Harris Avenue

Flight Path Map

This map shows the direct air route between Birch Bay and Renton. Straight-line distance: 102.09 mi (164.29 km).

Birch Bay

#1 Birch Bay

Census designated place

Population8,413
Coordinates48.9178900, -122.7446200
Altitude4
CountryUnited States
Renton

#2 Renton

The second most populous city in King County, Washington.

Population101,494
Coordinates47.4828800, -122.2170700
Altitude12
CountryUnited States
Start: Alderson Road (-122.744626, 48.917747)
End: (-122.217044, 47.482897)

Estimated Travel Time

Distance: 195 km by road

SpeedTime
30 mph (48.3 km/h)04h 02m
40 mph (64.37 km/h)03h 01m
50 mph (80.47 km/h)02h 25m
60 mph (96.56 km/h)02h 01m
70 mph (112.65 km/h)01h 43m
80 mph (129 km/h)01h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.27 gal
16.18 L · about $22.34
Round trip
$44.69
8.54 gal · 32.36 L
Estimated CO2
37.9 kg one way
Round trip: 75.9 kg / 167 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $22.34 $44.69
Mid-grade $5.57 $23.77 $47.54
Premium $5.77 $24.64 $49.28
Diesel $5.47 $23.34 $46.69

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 17, 2026

There is no time difference between Birch Bay and Renton. The current time is 15:29:03.

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.