How far is Ephrata, WA from Seattle, WA?
The driving distance from Ephrata, WA to Seattle, WA is about 170.6 miles (274.5 km), with a travel time of about 02h 45m by car.
- The straight-line flight distance is about 131.3 miles (211.3 km).
- For a round trip, plan for roughly 05h 30m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 45m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Ephrata and Seattle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ephrata and Seattle.
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1
Start on 3rd Avenue Southwest
13 m · 6 sec · 3rd Avenue Southwest
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2
Turn left onto Basin Street Southwest
20.1 mi · 27 min · Basin Street Southwest
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3
Take the ramp straight toward I 90 West: Seattle
1838 ft · 45 sec
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4
Merge slight left
148.8 mi · 2 hr 45 min
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5
Take the exit slight right toward I 5 North: Vancouver British Columbia, James Street, Madison Street
1.2 km · 1 min
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6
Keep slight left to continue on I 5 North: Vancouver British Columbia, Madison Street, Convention Center
881 ft · 22 sec
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7
Keep slight right to continue on Madison Street, Convention Place
1843 ft · 55 sec
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8
Turn left onto Madison Street
760 ft · 35 sec · Madison Street
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9
Turn left
9 m · 2 sec
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10
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Ephrata and Seattle.
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 West
Merge slight left
149 mi · 02h 45m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Ephrata and Mostly Sunny near Seattle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ephrata to Seattle?
The road trip is about 170.6 miles (274.5 km) and usually takes 02h 45m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Cle Elum is a useful midpoint, sitting about 85.2 miles from Ephrata and 85.4 miles from Seattle.
How much longer is the road route than the straight-line distance?
The direct path is about 131.3 miles (211.3 km), while the road route adds roughly 39.3 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 1:00 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.50 one way or $63.01 round trip. Estimated CO2 is about 53.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Ephrata and Mostly Sunny near Seattle.
Stop Ideas Near 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 Cle Elum.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Ephrata and Seattle. Straight-line distance: 131.3 mi (211.31 km).
#1 Ephrata
City of the state Washington, United States
| Population | 8,217 |
| Coordinates | 47.3176400, -119.5536500 |
| Altitude | 389 |
| Country | United States |
#2 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 |
End: (-122.332143, 47.606309)
Estimated Travel Time
Distance: 274 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 40m |
| 40 mph (64.37 km/h) | 04h 15m |
| 50 mph (80.47 km/h) | 03h 24m |
| 60 mph (96.56 km/h) | 02h 50m |
| 70 mph (112.65 km/h) | 02h 26m |
| 80 mph (129 km/h) | 02h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $31.50 | $63.01 |
| Mid-grade | $5.57 | $33.51 | $67.03 |
| Premium | $5.77 | $34.74 | $69.48 |
| Diesel | $5.47 | $32.91 | $65.82 |
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 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.