How far is Federal Way, WA from Rock Island, WA?
The driving distance from Federal Way, WA to Rock Island, WA is about 164.2 miles (264.3 km), with a travel time of about 03h 29m by car.
- The straight-line flight distance is about 101.6 miles (163.5 km).
- For a round trip, plan for roughly 06h 59m 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 03h 29m.
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 Kittitas County, Washington, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Federal Way and Rock Island.
Turn-by-Turn Driving Directions
Step-by-step road directions between Federal Way and Rock Island.
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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
59.8 mi · 1 hr 7 min
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15
Take the exit slight right toward Cle Elum, Leavenworth
1101 ft · 32 sec
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16
Turn left onto Sunset Highway
2128 ft · 34 sec · Sunset Highway
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17
At the end of the road, turn right
642 ft · 10 sec
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18
Take the exit slight right
9.8 mi · 13 min
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19
Continue straight
35.2 mi · 44 min
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20
Take the exit right toward US 2
14.8 mi · 20 min · US 2
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21
Enter the roundabout and take exit 2 toward US2, US97
40 m · 6 sec
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22
Exit the rotary
1.8 mi · 3 min
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23
Turn right onto Sunset Highway
3.8 mi · 7 min · Sunset Highway
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24
Keep slight right to continue on State Route 28
8.4 mi · 12 min · State Route 28
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25
Turn left onto Rock Island Drive
1376 ft · 49 sec · Rock Island Drive
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26
Turn right onto Delaware Avenue
918 ft · 31 sec · Delaware Avenue
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27
At the end of the road, turn left onto Saunders Avenue
601 ft · 17 sec · Saunders Avenue
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28
Arrive at your destination
0 m · 1 sec · Saunders Avenue
Car Route Details
A richer read on the saved driving route between Federal Way and Rock Island.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 90 East
Merge slight left
59.8 mi · 01h 07m
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.
Mostly Sunny leaving Federal Way and Mostly Sunny near Rock Island.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Federal Way to Rock Island?
The road trip is about 164.2 miles (264.3 km) and usually takes 03h 29m 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?
Roslyn is a useful midpoint, sitting about 82 miles from Federal Way and 82.3 miles from Rock Island.
How much longer is the road route than the straight-line distance?
The direct path is about 101.6 miles (163.5 km), while the road route adds roughly 62.6 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 10:00 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.35 one way or $60.70 round trip. Estimated CO2 is about 51.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Federal Way and Mostly Sunny near Rock Island.
Stop Ideas Near Roslyn
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 Roslyn.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Federal Way and Rock Island. Straight-line distance: 101.59 mi (163.49 km).
#1 Federal Way
A city in King County, Washington.
| Population | 96,307 |
| Coordinates | 47.3223200, -122.3126200 |
| Altitude | 141 |
| Country | United States |
#2 Rock Island
City in Douglas County, Washington
| Population | 1,310 |
| Coordinates | 47.3770700, -120.1439500 |
| Altitude | 196 |
| Country | United States |
End: Rock Island (-120.14395, 47.37707)
Estimated Travel Time
Distance: 264 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 28m |
| 40 mph (64.37 km/h) | 04h 06m |
| 50 mph (80.47 km/h) | 03h 17m |
| 60 mph (96.56 km/h) | 02h 44m |
| 70 mph (112.65 km/h) | 02h 20m |
| 80 mph (129 km/h) | 02h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $30.35 | $60.70 |
| Mid-grade | $5.57 | $32.29 | $64.58 |
| Premium | $5.77 | $33.47 | $66.94 |
| Diesel | $5.47 | $31.71 | $63.42 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.