How far is Tacoma, WA from Dayton, WA?

The driving distance from Tacoma, WA to Dayton, WA is about 283.5 miles (456.3 km), with a travel time of about 06h 05m by car.

  • The straight-line flight distance is about 221 miles (355.7 km).
  • For a round trip, plan for roughly 12h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
283.56 mi
06h 05m
Flight
221.04 mi
355.73 km direct

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

Learn Distance

Choose another destination from Tacoma.

Flight Distance

Direct air line
221.04 mi
Kilometers
355.73 km
Flight Time
00h 26m

Driving Distance

Road route
283.56 mi
Kilometers
456.34 km
Drive Time
06h 05m

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 06h 05m.

Arrival Snapshot
Arrive in Dayton
Thu, Oct 15, 11:33 PM PDT
Return by in Tacoma
Fri, Oct 16, 5:38 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Tacoma
2026-10-15T17:28
Arrive Dayton
Thu, Oct 15, 11:33 PM PDT
Route Timing
06h 05m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
12:05 PM to 1:35 PM PDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:50 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Tacoma
8:00 PM PDT
Overnight-style route

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
Kittitas
WA

City in Kittitas County, Washington, United States

From Tacoma
141.1 mi
03h 02m
To Dayton
142.5 mi
03h 02m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Today

Mostly Sunny

Starts
Thu, Oct 15 8:00 AM PDT
Wind
6 mph NNE
Destination
71°F
Thursday

Sunny

Starts
Thu, Oct 15 6:00 AM PDT
Wind
2 mph N

Driving Route Map

The map below follows the saved road route between Tacoma and Dayton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Tacoma and Dayton.

  1. 1

    Start on South 11th Street

    686 ft · 29 sec · South 11th Street

  2. 2

    Turn right onto Market Street

    759 ft · 31 sec · Market Street

  3. 3

    Turn left onto South 13th Street

    920 ft · 36 sec · South 13th Street

  4. 4

    Turn right onto I 705 SB Ramp

    65 m · 11 sec · I 705 SB Ramp

  5. 5

    Take the ramp straight toward Port of Tacoma

    869 ft · 21 sec

  6. 6

    Merge slight right

    1.3 km · 1 min

  7. 7

    Keep slight right to continue on I 5 North: Seattle

    1819 ft · 44 sec

  8. 8

    Keep slight left to continue on I 5 North: Seattle

    1395 ft · 34 sec

  9. 9

    Merge slight left

    7.7 mi · 10 min

  10. 10

    Take the exit slight right toward WA 18 East: Auburn, Muckleshoot Reservation

    2644 ft · 1 min

  11. 11

    Merge slight left onto State Route 18

    27.3 mi · 35 min · State Route 18

  12. 12

    Continue on Snoqualmie Parkway

    656 ft · 8 sec · Snoqualmie Parkway

  13. 13

    Take the exit slight right toward I 90 East: Spokane

    3019 ft · 1 min

  14. 14

    Merge slight left

    111.9 mi · 2 hr 2 min

  15. 15

    Take the exit slight right toward WA 26 East: Othello, Pullman

    1454 ft · 36 sec

  16. 16

    Turn straight

    82.8 mi · 1 hr 49 min

  17. 17

    Turn right onto North Main Street

    6.4 mi · 11 min · North Main Street

  18. 18

    Turn left

    29.3 mi · 51 min

  19. 19

    At the end of the road, turn right

    14.6 mi · 19 min

  20. 20

    Turn left onto Patit Road

    26 m · 4 sec · Patit Road

  21. 21

    Arrive at your destination

    0 m · 1 sec · Patit Road

Car Route Details

A richer read on the saved driving route between Tacoma and Dayton.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
21 steps
8 turns on the saved route
Ramps & Exits
9
4 merges, 5 ramps or exits
Navigation Density
7.4 / 100 mi
Decision points by distance
Main Roads
I 90 East
112 mi · 40%
State Route 18
27.3 mi · 10%
I 5 North
8.28 mi · 3%
North Main Street
6.44 mi · 2%
Port of Tacoma
0.99 mi
WA 18 East
0.5 mi
Longest Stretch

I 90 East

Merge slight left

112 mi · 02h 02m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 05m
Overnight route
Same-Day Return
12h 10m
Round-trip wheel time
Road vs Air
+62.5 mi
221 mi direct line
Halfway Stop
Kittitas
03h 02m from Tacoma
Leave By
11:50 PM PDT
Overnight-style route
Weather Watch

Mostly Sunny leaving Tacoma and Sunny near Dayton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Tacoma to Dayton?

The road trip is about 283.5 miles (456.3 km) and usually takes 06h 05m in normal driving conditions.

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

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Kittitas is a useful midpoint, sitting about 141.1 miles from Tacoma and 142.5 miles from Dayton.

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

The direct path is about 221 miles (355.7 km), while the road route adds roughly 62.5 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 6:00 AM to 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $54.40 one way or $108.81 round trip. Estimated CO2 is about 89 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Tacoma and Sunny near Dayton.

Stop Ideas Near Kittitas

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

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

RAIL

Columbia Station

49 mi away
Kittitas & South Columbia Sts.
BUS

Quincy, Washington

52 mi away
102 B St NE
BUS

Leavenworth, Washington

71 mi away
Hwy 2 and 12th St.
RAIL

Leavenworth

71 mi away
11645 North Rd

Flight Path Map

This map shows the direct air route between Tacoma and Dayton. Straight-line distance: 221.04 mi (355.73 km).

Tacoma

#1 Tacoma

The third most populous city in Washington.

Population219,945
Coordinates47.2528800, -122.4442900
Altitude74
CountryUnited States
Photo coming soon

#2 Dayton

Situated in southeastern Washington at an elevation of 1660 feet, this Columbia County seat lies in the foothills of the Blue Mountains along the Touchet River.

Population0
Coordinates46.3237500, -117.9724400
Altitude506
CountryUnited States
Start: Tacoma (-122.44429, 47.25288)
End: Dayton (-117.97244, 46.32375)

Estimated Travel Time

Distance: 456 km by road

SpeedTime
30 mph (48.3 km/h)09h 26m
40 mph (64.37 km/h)07h 05m
50 mph (80.47 km/h)05h 40m
60 mph (96.56 km/h)04h 43m
70 mph (112.65 km/h)04h 03m
80 mph (129 km/h)03h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.01 gal
37.88 L · about $54.40
Round trip
$108.81
20.02 gal · 75.76 L
Estimated CO2
89 kg one way
Round trip: 177.9 kg / 392 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.44 $54.40 $108.81
Mid-grade $5.72 $57.25 $114.49
Premium $5.98 $59.83 $119.66
Diesel $7.29 $72.99 $145.99

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 Tacoma and Dayton. The current time is 17:28:03.

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.