How far is Auburn, WA from Newcastle, WA?
The driving distance from Auburn, WA to Newcastle, WA is about 21.1 miles (34 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 16.3 miles (26.3 km).
- For a round trip, plan for roughly 01h 03m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
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.
This is an easy same-day return drive.
Flight Distance
Driving Distance
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 31m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Washington
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Patchy Frost then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Auburn and Newcastle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Auburn and Newcastle.
-
1
Start on East Main Street
1135 ft · 41 sec · East Main Street
-
2
Turn left onto C Street Southwest
879 ft · 21 sec · C Street Southwest
-
3
Take the ramp right toward WA 18 West
1805 ft · 44 sec
-
4
Merge slight left onto State Route 18
779 ft · 11 sec · State Route 18
-
5
Take the exit slight right toward WA 167: Renton, Puyallup
1109 ft · 19 sec
-
6
Keep slight right to continue on WA 167 North: Kent, Renton
3177 ft · 54 sec
-
7
Merge slight left onto Valley Freeway
11.1 mi · 14 min · Valley Freeway
-
8
Take the exit slight right toward I 405 North: Bellevue
1.3 km · 1 min
-
9
Merge slight left
4.3 mi · 5 min
-
10
Take the exit slight right toward Northeast 44th Street
1237 ft · 32 sec
-
11
Exit the roundabout onto Lake Washington Boulevard Northeast
621 ft · 16 sec · Lake Washington Boulevard Northeast
-
12
Enter the roundabout and take exit 1 toward Lake Washington Boulevard Northeast
31 m · 3 sec · Lake Washington Boulevard Northeast
-
13
Exit the roundabout onto Lake Washington Boulevard Northeast
101 m · 8 sec · Lake Washington Boulevard Northeast
-
14
Turn right onto Northeast 48th Street
678 ft · 23 sec · Northeast 48th Street
-
15
Continue on Southeast 76th Street
1700 ft · 54 sec · Southeast 76th Street
-
16
Turn left onto 116th Avenue Southeast
2641 ft · 1 min · 116th Avenue Southeast
-
17
Turn right onto Newcastle Way
1.2 mi · 3 min · Newcastle Way
-
18
Turn left onto Newcastle Golf Club Road
1734 ft · 46 sec · Newcastle Golf Club Road
-
19
Turn right onto 136th Avenue Southeast
839 ft · 29 sec · 136th Avenue Southeast
-
20
Continue on Southeast 71st Street
145 m · 16 sec · Southeast 71st Street
-
21
Arrive at your destination
0 m · 1 sec · Southeast 71st Street
Car Route Details
A richer read on the saved driving route between Auburn and Newcastle.
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.
Valley Freeway
Merge slight left onto Valley Freeway
11.1 mi · 00h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Auburn and Patchy Frost then Mostly Sunny near Newcastle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Auburn to Newcastle?
The road trip is about 21.1 miles (34 km) and usually takes 00h 31m 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?
Tukwila is a useful midpoint, sitting about 10.6 miles from Auburn and 10.6 miles from Newcastle.
How much longer is the road route than the straight-line distance?
The direct path is about 16.3 miles (26.3 km), while the road route adds roughly 4.8 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 7:26 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.87 one way or $7.74 round trip. Estimated CO2 is about 6.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Auburn and Patchy Frost then Mostly Sunny near Newcastle.
Stop Ideas Near Tukwila
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Tukwila Community Center
Auburn Building Permits
City of Auburn
Auburn Community & Event Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Tukwila.
Tukwila station
King Street Station
Seattle (Ferry - Pier 69), Washington
Tacoma Dome Station
Flight Path Map
This map shows the direct air route between Auburn and Newcastle. Straight-line distance: 16.37 mi (26.34 km).
#1 Auburn
The second most populous city in Pierce County, Washington.
| Population | 81,024 |
| Coordinates | 47.3073200, -122.2284500 |
| Altitude | 25 |
| Country | United States |
#2 Newcastle
City in King County, Washington, United States
| Population | 12,905 |
| Coordinates | 47.5389900, -122.1556800 |
| Altitude | 172 |
| Country | United States |
End: Newcastle (-122.15568, 47.53899)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 42m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $3.87 | $7.74 |
| Mid-grade | $5.57 | $4.12 | $8.24 |
| Premium | $5.77 | $4.27 | $8.54 |
| Diesel | $5.47 | $4.05 | $8.09 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.