How far is Seattle, WA from Rock Island, WA?
The driving distance from Seattle, WA to Rock Island, WA is about 159.8 miles (257.1 km), with a travel time of about 03h 19m by car.
- The straight-line flight distance is about 103.4 miles (166.4 km).
- For a round trip, plan for roughly 06h 38m 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 19m.
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.
Town of the United States
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 Seattle and Rock Island.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle and Rock Island.
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1
Start on the route
9 m · 8 sec
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2
Turn left onto Madison Street
62 m · 11 sec · Madison Street
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3
Turn right onto 4th Avenue
94 m · 15 sec · 4th Avenue
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4
Turn right onto Spring Street
647 ft · 26 sec · Spring Street
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5
Take the ramp right toward I 5 South: Portland
1151 ft · 28 sec
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6
Continue straight
3180 ft · 1 min
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7
Keep slight left to continue on I 90 East, I 5 South: Bellevue, Portland
45 m · 2 sec
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8
Keep slight left to continue on I 90 East: Bellevue, Spokane
2257 ft · 55 sec
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9
Merge slight left
1.6 km · 1 min
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10
Keep slight left to continue on Mount Baker Ridge Tunnel
82.2 mi · 1 hr 33 min · Mount Baker Ridge Tunnel
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11
Take the exit slight right toward Cle Elum, Leavenworth
1101 ft · 32 sec
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12
Turn left onto Sunset Highway
2128 ft · 34 sec · Sunset Highway
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13
At the end of the road, turn right
642 ft · 10 sec
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14
Take the exit slight right
9.8 mi · 13 min
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15
Continue straight
35.2 mi · 44 min
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16
Take the exit right toward US 2
14.8 mi · 20 min · US 2
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17
Enter the roundabout and take exit 2 toward US2, US97
40 m · 6 sec
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18
Exit the rotary
1.8 mi · 3 min
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19
Turn right onto Sunset Highway
3.8 mi · 7 min · Sunset Highway
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20
Keep slight right to continue on State Route 28
8.4 mi · 12 min · State Route 28
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21
Turn left onto Rock Island Drive
1376 ft · 49 sec · Rock Island Drive
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22
Turn right onto Delaware Avenue
918 ft · 31 sec · Delaware Avenue
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23
At the end of the road, turn left onto Saunders Avenue
601 ft · 17 sec · Saunders Avenue
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24
Arrive at your destination
0 m · 1 sec · Saunders Avenue
Car Route Details
A richer read on the saved driving route between Seattle and Rock Island.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Mount Baker Ridge Tunnel
Keep slight left to continue on Mount Baker Ridge Tunnel
82.2 mi · 01h 33m
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 Seattle 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 Seattle to Rock Island?
The road trip is about 159.8 miles (257.1 km) and usually takes 03h 19m 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?
South Cle Elum is a useful midpoint, sitting about 79.7 miles from Seattle and 80 miles from Rock Island.
How much longer is the road route than the straight-line distance?
The direct path is about 103.4 miles (166.4 km), while the road route adds roughly 56.4 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 10:22 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.51 one way or $59.03 round trip. Estimated CO2 is about 50.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Seattle and Mostly Sunny near Rock Island.
Stop Ideas Near South Cle Elum
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 South Cle Elum.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Seattle and Rock Island. Straight-line distance: 103.37 mi (166.36 km).
#1 Seattle
The eighteenth most populous city in the United States and the center of the Seattle metropolitan area.
| Population | 769,714 |
| Coordinates | 47.6062100, -122.3320700 |
| Altitude | 56 |
| 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: 257 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 19m |
| 40 mph (64.37 km/h) | 03h 59m |
| 50 mph (80.47 km/h) | 03h 11m |
| 60 mph (96.56 km/h) | 02h 39m |
| 70 mph (112.65 km/h) | 02h 16m |
| 80 mph (129 km/h) | 01h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $29.51 | $59.03 |
| Mid-grade | $5.57 | $31.40 | $62.80 |
| Premium | $5.77 | $32.55 | $65.10 |
| Diesel | $5.47 | $30.83 | $61.67 |
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.