How far is Seattle, WA from Friday Harbor, WA?
The driving distance from Seattle, WA to Friday Harbor, WA is about 100.8 miles (162.2 km), with a travel time of about 02h 58m by car.
- The straight-line flight distance is about 71.5 miles (115.1 km).
- For a round trip, plan for roughly 05h 56m 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 58m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Driving Route Map
The map below follows the saved road route between Seattle and Friday Harbor.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle and Friday Harbor.
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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
916 ft · 39 sec · 4th Avenue
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4
Turn right onto University Street
653 ft · 26 sec · University Street
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5
Take the ramp straight toward I 5 North
1631 ft · 42 sec
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6
Merge slight right
60.2 mi · 1 hr 12 min
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7
Take the exit slight right toward WA 536 West: Kincaid Street
1195 ft · 33 sec
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8
Turn left onto East Kincaid Street
986 ft · 23 sec · East Kincaid Street
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9
Turn right onto South 3rd Street
1516 ft · 28 sec · South 3rd Street
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10
Continue on West Division Street
1.3 km · 2 min · West Division Street
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11
Continue on Memorial Highway
4 mi · 7 min · Memorial Highway
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12
Take the ramp straight
1738 ft · 29 sec
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13
Merge slight right onto State Route 20
7 mi · 10 min · State Route 20
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14
Keep slight right to continue on State Route 20 Spur
2.6 mi · 4 min · State Route 20 Spur
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15
Turn right onto R Avenue
1793 ft · 47 sec · R Avenue
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16
Keep slight left to continue on R Avenue
28 m · 5 sec · R Avenue
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17
Keep slight right to continue on R Avenue
2282 ft · 58 sec · R Avenue
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18
Enter the roundabout and take exit 2 toward R Avenue
31 m · 6 sec · R Avenue
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19
Exit the roundabout onto R Avenue
602 ft · 21 sec · R Avenue
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20
Turn left onto 20th Street
562 ft · 26 sec · 20th Street
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21
Turn right onto Commercial Avenue
2385 ft · 1 min · Commercial Avenue
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22
Turn left onto 12th Street
1.1 mi · 3 min · 12th Street
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23
Continue on Oakes Avenue
1.6 mi · 4 min · Oakes Avenue
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24
Enter the roundabout and take exit 2 toward Oakes Avenue
30 m · 3 sec · Oakes Avenue
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25
Exit the roundabout onto Oakes Avenue
2096 ft · 1 min · Oakes Avenue
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26
Turn slight right onto Ferry Terminal Road
1.1 km · 2 min · Ferry Terminal Road
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27
Turn straight
92 m · 22 sec
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28
Turn straight onto Anacortes ↔ Friday Harbor
19 mi · 1 hr 5 min · Anacortes ↔ Friday Harbor
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29
Continue on Friday Harbor Ferry Terminal
81 m · 20 sec · Friday Harbor Ferry Terminal
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30
Turn right onto Front Street South
64 m · 7 sec · Front Street South
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31
Enter the roundabout and take exit 2 toward Spring Street
58 m · 7 sec · Spring Street
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32
Exit the rotary onto Spring Street
529 ft · 25 sec · Spring Street
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33
Turn right onto Second Street South
18 m · 3 sec · Second Street South
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34
Arrive at your destination
0 m · 1 sec · Second Street South
Car Route Details
A richer read on the saved driving route between Seattle and Friday Harbor.
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 5 North
Merge slight right
60.2 mi · 01h 12m
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 Seattle and Partly Sunny near Friday Harbor.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seattle to Friday Harbor?
The road trip is about 100.8 miles (162.2 km) and usually takes 02h 58m 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?
Lake Ketchum is a useful midpoint, sitting about 50.3 miles from Seattle and 50.5 miles from Friday Harbor.
How much longer is the road route than the straight-line distance?
The direct path is about 71.5 miles (115.1 km), while the road route adds roughly 29.3 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 12:34 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.31 one way or $38.62 round trip. Estimated CO2 is about 31.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Seattle and Partly Sunny near Friday Harbor.
Stop Ideas Near Lake Ketchum
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 Lake Ketchum.
Stanwood station
Skagit Transportation Center
Everett Station
Bellingham station
Flight Path Map
This map shows the direct air route between Seattle and Friday Harbor. Straight-line distance: 71.49 mi (115.06 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 Friday Harbor
Town in San Juan County, Washington, United States
| Population | 2,544 |
| Coordinates | 48.5342700, -123.0171200 |
| Altitude | 18 |
| Country | United States |
End: Friday Harbor (-123.01712, 48.53427)
Estimated Travel Time
Distance: 162 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 21m |
| 40 mph (64.37 km/h) | 02h 31m |
| 50 mph (80.47 km/h) | 02h 00m |
| 60 mph (96.56 km/h) | 01h 40m |
| 70 mph (112.65 km/h) | 01h 26m |
| 80 mph (129 km/h) | 01h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.42 | $19.31 | $38.62 |
| Mid-grade | $5.71 | $20.34 | $40.68 |
| Premium | $5.97 | $21.24 | $42.47 |
| Diesel | $7.30 | $25.98 | $51.95 |
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 · Oct 16, 2026