How far is Federal Way, WA from Asotin, WA?
The driving distance from Federal Way, WA to Asotin, WA is about 317 miles (510.1 km), with a travel time of about 06h 50m by car.
- The straight-line flight distance is about 257.9 miles (415 km).
- For a round trip, plan for roughly 13h 41m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 50m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Grant County, Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Federal Way and Asotin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Federal Way and Asotin.
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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 left
8.5 mi · 11 min
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20
Take the exit slight right
41.8 mi · 52 min
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21
Turn right onto 15th Street
1.3 mi · 2 min · 15th Street
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22
Turn left onto Fleshman Way
1094 ft · 21 sec · Fleshman Way
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23
Turn slight right
761 ft · 28 sec
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24
Keep slight right
70 m · 8 sec
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25
Turn slight right onto 13th Street
1.8 mi · 3 min · 13th Street
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26
At the end of the road, turn right onto Riverside Drive
2.3 mi · 3 min · Riverside Drive
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27
Continue on State Route 129
1416 ft · 41 sec · State Route 129
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28
Continue on 1st Street
1772 ft · 1 min · 1st Street
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29
Turn right onto Washington Street
630 ft · 30 sec · Washington Street
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30
Turn left
51 m · 12 sec
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31
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Federal Way and Asotin.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
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.
Sunny leaving Federal Way and Sunny near Asotin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Federal Way to Asotin?
The road trip is about 317 miles (510.1 km) and usually takes 06h 50m 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?
Royal City is a useful midpoint, sitting about 158.1 miles from Federal Way and 158.8 miles from Asotin.
How much longer is the road route than the straight-line distance?
The direct path is about 257.9 miles (415 km), while the road route adds roughly 59.1 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 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 $58.56 one way or $117.11 round trip. Estimated CO2 is about 99.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Federal Way and Sunny near Asotin.
Stop Ideas Near Royal City
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 Royal City.
Moses Lake, Washington
Quincy, Washington
Ephrata, WA
Ephrata
Flight Path Map
This map shows the direct air route between Federal Way and Asotin. Straight-line distance: 257.89 mi (415.04 km).
#1 Federal Way
A city in King County, Washington.
| Population | 96,307 |
| Coordinates | 47.3223200, -122.3126200 |
| Altitude | 141 |
| Country | United States |
#2 Asotin
Town in Washington state
| Population | 1,292 |
| Coordinates | 46.3393300, -117.0482100 |
| Altitude | 244 |
| Country | United States |
End: Asotin (-117.04821, 46.33933)
Estimated Travel Time
Distance: 510 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 33m |
| 40 mph (64.37 km/h) | 07h 55m |
| 50 mph (80.47 km/h) | 06h 20m |
| 60 mph (96.56 km/h) | 05h 16m |
| 70 mph (112.65 km/h) | 04h 31m |
| 80 mph (129 km/h) | 03h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $58.56 | $117.11 |
| Mid-grade | $5.57 | $62.29 | $124.59 |
| Premium | $5.77 | $64.58 | $129.15 |
| Diesel | $5.47 | $61.18 | $122.35 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.