How far is Seattle, WA from Tonasket, WA?
The driving distance from Seattle, WA to Tonasket, WA is about 260.9 miles (419.8 km), with a travel time of about 05h 26m by car.
- The straight-line flight distance is about 153.4 miles (246.9 km).
- For a round trip, plan for roughly 10h 52m 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 26m.
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 Chelan County, Washington
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain Likely
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Seattle and Tonasket.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle and Tonasket.
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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 left onto Sunset Highway
3 mi · 5 min · Sunset Highway
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20
Enter the roundabout and take exit 2 toward Sunset Highway
26 m · 3 sec · Sunset Highway
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21
Exit the roundabout onto Sunset Highway
86.6 mi · 1 hr 51 min · Sunset Highway
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22
Continue straight
24.2 mi · 32 min
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23
Arrive at your destination
0 m · 1 sec · South Whitcomb Avenue
Car Route Details
A richer read on the saved driving route between Seattle and Tonasket.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Sunset Highway
Exit the roundabout onto Sunset Highway
86.6 mi · 01h 51m
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.
Light Rain Likely leaving Seattle and Chance Light Rain near Tonasket.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seattle to Tonasket?
The road trip is about 260.9 miles (419.8 km) and usually takes 05h 26m 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?
Leavenworth is a useful midpoint, sitting about 130.2 miles from Seattle and 130.6 miles from Tonasket.
How much longer is the road route than the straight-line distance?
The direct path is about 153.4 miles (246.9 km), while the road route adds roughly 107.5 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 6:08 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $48.20 one way or $96.39 round trip. Estimated CO2 is about 81.8 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Seattle and Chance Light Rain near Tonasket.
Stop Ideas Near Leavenworth
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 Leavenworth.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Seattle and Tonasket. Straight-line distance: 153.42 mi (246.9 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 Tonasket
City in Okanogan County, Washington, United States
| Population | 1,131 |
| Coordinates | 48.7051500, -119.4395000 |
| Altitude | 280 |
| Country | United States |
End: Tonasket (-119.4395, 48.70515)
Estimated Travel Time
Distance: 420 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 41m |
| 40 mph (64.37 km/h) | 06h 31m |
| 50 mph (80.47 km/h) | 05h 13m |
| 60 mph (96.56 km/h) | 04h 20m |
| 70 mph (112.65 km/h) | 03h 43m |
| 80 mph (129 km/h) | 03h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $48.20 | $96.39 |
| Mid-grade | $5.57 | $51.27 | $102.54 |
| Premium | $5.77 | $53.15 | $106.30 |
| Diesel | $5.47 | $50.35 | $100.70 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.