How far is Federal Way, WA from Dayton, WA?
The driving distance from Federal Way, WA to Dayton, WA is about 274.7 miles (442.1 km), with a travel time of about 05h 55m by car.
- The straight-line flight distance is about 216.4 miles (348.3 km).
- For a round trip, plan for roughly 11h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 05h 55m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Washington, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Federal Way and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Federal Way and Dayton.
-
1
Start on the route
7 m · 7 sec
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2
Turn left onto South 312th Street
48 m · 6 sec · South 312th Street
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3
Turn left onto Pacific Highway South
2669 ft · 1 min · Pacific Highway South
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4
Turn left onto South 320th Street
1.4 mi · 3 min · South 320th Street
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5
Continue on South Peasley Canyon Road
1 mi · 2 min · South Peasley Canyon Road
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6
Enter the roundabout and take exit 2 toward South Peasley Canyon Road
29 m · 2 sec · South Peasley Canyon Road
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7
Exit the roundabout onto South Peasley Canyon Road
1.2 km · 1 min · South Peasley Canyon Road
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8
Turn left onto West Valley Highway North
102 m · 11 sec · West Valley Highway North
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9
Take the ramp right toward WA 18 East, WA 167 North: Renton, North Bend
1154 ft · 28 sec
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10
Keep slight left to continue on WA 18 East
1261 ft · 31 sec
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11
Merge slight left onto State Route 18
24.4 mi · 31 min · State Route 18
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12
Continue on Snoqualmie Parkway
656 ft · 8 sec · Snoqualmie Parkway
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13
Take the exit slight right toward I 90 East: Spokane
3019 ft · 1 min
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14
Merge slight left
111.9 mi · 2 hr 2 min
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15
Take the exit slight right toward WA 26 East: Othello, Pullman
1454 ft · 36 sec
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16
Turn straight
82.8 mi · 1 hr 49 min
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17
Turn right onto North Main Street
6.4 mi · 11 min · North Main Street
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18
Turn left
29.3 mi · 51 min
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19
At the end of the road, turn right
14.6 mi · 19 min
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20
Turn left onto Patit Road
26 m · 4 sec · Patit Road
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21
Arrive at your destination
0 m · 1 sec · Patit Road
Car Route Details
A richer read on the saved driving route between Federal Way and Dayton.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
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.
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.
Sunny leaving Federal Way and Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Federal Way to Dayton?
The road trip is about 274.7 miles (442.1 km) and usually takes 05h 55m 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?
George is a useful midpoint, sitting about 137.1 miles from Federal Way and 137.6 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 216.4 miles (348.3 km), while the road route adds roughly 58.3 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 5:08 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $52.72 one way or $105.44 round trip. Estimated CO2 is about 86.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Federal Way and Sunny near Dayton.
Stop Ideas Near George
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to George.
Quincy, Washington
Ephrata, WA
Ephrata
Moses Lake, Washington
Flight Path Map
This map shows the direct air route between Federal Way and Dayton. Straight-line distance: 216.45 mi (348.34 km).
#1 Federal Way
A city in King County, Washington.
| Population | 96,307 |
| Coordinates | 47.3223200, -122.3126200 |
| Altitude | 141 |
| Country | United States |
#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.
| Population | 0 |
| Coordinates | 46.3237500, -117.9724400 |
| Altitude | 506 |
| Country | United States |
End: Dayton (-117.97244, 46.32375)
Estimated Travel Time
Distance: 442 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 09m |
| 40 mph (64.37 km/h) | 06h 52m |
| 50 mph (80.47 km/h) | 05h 29m |
| 60 mph (96.56 km/h) | 04h 34m |
| 70 mph (112.65 km/h) | 03h 55m |
| 80 mph (129 km/h) | 03h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.44 | $52.72 | $105.44 |
| Mid-grade | $5.72 | $55.47 | $110.95 |
| Premium | $5.98 | $57.98 | $115.95 |
| Diesel | $7.29 | $70.73 | $141.46 |
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