How far is Pasco, WA from Steilacoom, WA?

The driving distance from Pasco, WA to Steilacoom, WA is about 250.5 miles (403.1 km), with a travel time of about 04h 53m by car.

  • The straight-line flight distance is about 177.9 miles (286.3 km).
  • For a round trip, plan for roughly 09h 47m 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
250.46 mi
04h 53m
Flight
177.92 mi
286.34 km direct

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

Learn Distance

Choose another destination from Pasco.

Flight Distance

Direct air line
177.92 mi
Kilometers
286.34 km
Flight Time
00h 21m

Driving Distance

Road route
250.46 mi
Kilometers
403.08 km
Drive Time
04h 53m

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 04h 53m.

Arrival Snapshot
Arrive in Steilacoom
Sun, May 31, 4:45 AM PDT
Return by in Pasco
Sun, May 31, 9:39 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Pasco
2026-05-30T23:51
Arrive Steilacoom
Sun, May 31, 4:45 AM PDT
Route Timing
04h 53m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
10:54 AM to 12:54 PM PDT

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

Leave by
7:12 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Pasco
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
Ellensburg
WA

City in Kittitas County, Washington, United States

From Pasco
125 mi
02h 26m
To Steilacoom
125.5 mi
02h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Today

Sunny

Starts
Sat, May 30 11:00 AM PDT
Wind
9 mph SW
Destination
64°F
This Afternoon

Mostly Sunny

Starts
Sat, May 30 1:00 PM PDT
Wind
3 mph NNW

Driving Route Map

The map below follows the saved road route between Pasco and Steilacoom.

Turn-by-Turn Driving Directions

Step-by-step road directions between Pasco and Steilacoom.

  1. 1

    Start on North 8th Avenue

    640 ft · 32 sec · North 8th Avenue

  2. 2

    At the end of the road, turn right onto West Court Street

    1439 ft · 45 sec · West Court Street

  3. 3

    Turn left onto North 4th Avenue

    1 km · 2 min · North 4th Avenue

  4. 4

    Take the ramp left

    1944 ft · 47 sec

  5. 5

    Merge slight left onto Lewis and Clark Trail

    1.3 mi · 2 min · Lewis and Clark Trail

  6. 6

    Keep slight left to continue on I 182, US 12

    11.8 mi · 13 min

  7. 7

    Keep slight right to continue on I 82 West, US 12 West: Prosser, Yakima

    70.9 mi · 1 hr 17 min

  8. 8

    Continue straight

    31 mi · 34 min

  9. 9

    Keep slight left to continue on I 90 West

    85.7 mi · 1 hr 36 min

  10. 10

    Take the exit slight right toward WA 18 West: Auburn

    1248 ft · 30 sec

  11. 11

    Keep slight left to continue on SR 18 west, Snoqualmie Parkway: Auburn, Tacoma

    137 m · 13 sec

  12. 12

    Merge slight right onto Snoqualmie Parkway

    1780 ft · 25 sec · Snoqualmie Parkway

  13. 13

    Continue on State Route 18

    26.7 mi · 34 min · State Route 18

  14. 14

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

    2980 ft · 1 min

  15. 15

    Keep slight left to continue on I 5 South, WA 161: Enchanted Parkway South, Tacoma

    3094 ft · 1 min

  16. 16

    Keep slight left to continue on I 5 South: Tacoma

    1297 ft · 32 sec

  17. 17

    Merge slight left

    7.2 mi · 9 min

  18. 18

    Keep slight right

    4.1 mi · 5 min

  19. 19

    Take the exit slight right toward South 72 Street, South 84 Street

    1354 ft · 33 sec

  20. 20

    Keep slight left to continue on South 72nd Street, South 84th Street

    1729 ft · 49 sec

  21. 21

    At the end of the road, turn left onto Tacoma Mall Boulevard

    3077 ft · 1 min · Tacoma Mall Boulevard

  22. 22

    Turn right onto South 84th Street

    1.3 km · 2 min · South 84th Street

  23. 23

    Turn left onto South Tacoma Way

    1440 ft · 37 sec · South Tacoma Way

  24. 24

    Turn slight right

    68 m · 8 sec

  25. 25

    Turn straight onto Steilacoom Boulevard Southwest

    5.3 mi · 11 min · Steilacoom Boulevard Southwest

  26. 26

    Turn right onto Puyallup Street

    93 m · 10 sec · Puyallup Street

  27. 27

    Turn straight onto Rainier Street

    2393 ft · 1 min · Rainier Street

  28. 28

    Arrive at your destination

    0 m · 1 sec · Rainier Street

Car Route Details

A richer read on the saved driving route between Pasco and Steilacoom.

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
9 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
11.2 / 100 mi
Decision points by distance
Main Roads
I 82 West
102 mi · 41%
I 90 West
85.7 mi · 34%
State Route 18
26.7 mi · 11%
I 5 South
12.2 mi · 5%
I 182
11.8 mi · 5%
Steilacoom Boulevard Southwest
5.35 mi · 2%
Longest Stretch

I 90 West

Keep slight left to continue on I 90 West

85.7 mi · 01h 36m

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
04h 53m
Long day trip
Same-Day Return
09h 48m
Round-trip wheel time
Road vs Air
+72.6 mi
177.9 mi direct line
Halfway Stop
Ellensburg
02h 26m from Pasco
Leave By
7:12 AM PDT
Early departure recommended
Weather Watch

Sunny leaving Pasco and Mostly Sunny near Steilacoom.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Pasco to Steilacoom?

The road trip is about 250.5 miles (403.1 km) and usually takes 04h 53m 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?

Ellensburg is a useful midpoint, sitting about 125 miles from Pasco and 125.5 miles from Steilacoom.

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

The direct path is about 177.9 miles (286.3 km), while the road route adds roughly 72.6 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 7:12 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $46.26 one way or $92.52 round trip. Estimated CO2 is about 78.6 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Pasco and Mostly Sunny near Steilacoom.

Stop Ideas Near Ellensburg

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

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

RAIL

Columbia Station

51 mi away
Kittitas & South Columbia Sts.
BUS

Quincy, Washington

59 mi away
102 B St NE
BUS

Leavenworth, Washington

67 mi away
Hwy 2 and 12th St.
RAIL

Leavenworth

68 mi away
11645 North Rd

Flight Path Map

This map shows the direct air route between Pasco and Steilacoom. Straight-line distance: 177.92 mi (286.34 km).

Pasco

#1 Pasco

The third most populous city in Franklin County, Washington.

Population77,095
Coordinates46.2395800, -119.1005700
Altitude118
CountryUnited States
Steilacoom

#2 Steilacoom

Town in Washington, United States

Population6,416
Coordinates47.1698200, -122.6026300
Altitude20
CountryUnited States
Start: Pasco (-119.10057, 46.23958)
End: Steilacoom (-122.60263, 47.16982)

Estimated Travel Time

Distance: 403 km by road

SpeedTime
30 mph (48.3 km/h)08h 20m
40 mph (64.37 km/h)06h 15m
50 mph (80.47 km/h)05h 00m
60 mph (96.56 km/h)04h 10m
70 mph (112.65 km/h)03h 34m
80 mph (129 km/h)03h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.84 gal
33.46 L · about $46.26
Round trip
$92.52
17.68 gal · 66.92 L
Estimated CO2
78.6 kg one way
Round trip: 157.1 kg / 346 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $46.26 $92.52
Mid-grade $5.57 $49.21 $98.42
Premium $5.77 $51.02 $102.03
Diesel $5.47 $48.33 $96.66

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 · May 31, 2026

There is no time difference between Pasco and Steilacoom. The current time is 23:51:36.

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.