How far is Sumas, WA from Seattle, WA?
The driving distance from Sumas, WA to Seattle, WA is about 111.7 miles (179.7 km), with a travel time of about 02h 03m by car.
- The straight-line flight distance is about 96.4 miles (155.1 km).
- For a round trip, plan for roughly 04h 07m 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 03m.
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.
Chance Light Rain
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Sumas and Seattle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sumas and Seattle.
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1
Start on Cherry Street
1.2 km · 2 min · Cherry Street
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2
Continue on Easterbrook Road
1.8 mi · 3 min · Easterbrook Road
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3
Continue on East Badger Road
1.5 mi · 2 min · East Badger Road
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4
Turn left onto Nooksack Road
3.3 mi · 6 min · Nooksack Road
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5
Turn right onto West Columbia Street
1749 ft · 29 sec · West Columbia Street
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6
Continue on East Main Street
1.2 km · 1 min · East Main Street
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7
Continue on Everson Road
2407 ft · 41 sec · Everson Road
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8
Turn straight onto Kale Street
1063 ft · 18 sec · Kale Street
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9
Turn straight onto Mead Avenue
2351 ft · 54 sec · Mead Avenue
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10
Continue on Everson Goshen Road
1.7 mi · 3 min · Everson Goshen Road
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11
Continue on Everson Goshen Road
6.1 mi · 9 min · Everson Goshen Road
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12
At the end of the road, turn right onto Mount Baker Highway
2.4 mi · 3 min · Mount Baker Highway
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13
Continue on East Sunset Drive
2.4 mi · 5 min · East Sunset Drive
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14
Take the ramp slight right toward I 5 South
781 ft · 19 sec
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15
Merge slight left
88.8 mi · 1 hr 46 min
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16
Take the exit slight right toward Union Street
897 ft · 25 sec
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17
Continue on Union Street
889 ft · 42 sec · Union Street
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18
Turn left onto 5th Avenue
1343 ft · 56 sec · 5th Avenue
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19
Turn right onto Madison Street
34 m · 9 sec · Madison Street
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20
Turn left
9 m · 2 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Sumas 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 5 South
Merge slight left
88.8 mi · 01h 46m
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.
Chance Light Rain leaving Sumas and Light Rain Likely near Seattle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sumas to Seattle?
The road trip is about 111.7 miles (179.7 km) and usually takes 02h 03m 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 55.8 miles from Sumas and 55.9 miles from Seattle.
How much longer is the road route than the straight-line distance?
The direct path is about 96.4 miles (155.1 km), while the road route adds roughly 15.3 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 2:22 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.62 one way or $41.24 round trip. Estimated CO2 is about 35 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Sumas and Light Rain Likely near Seattle.
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 Sumas and Seattle. Straight-line distance: 96.36 mi (155.08 km).
#1 Sumas
Small city in Washington
| Population | 1,629 |
| Coordinates | 49.0001200, -122.2648800 |
| Altitude | 13 |
| 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: 180 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 43m |
| 40 mph (64.37 km/h) | 02h 47m |
| 50 mph (80.47 km/h) | 02h 13m |
| 60 mph (96.56 km/h) | 01h 51m |
| 70 mph (112.65 km/h) | 01h 35m |
| 80 mph (129 km/h) | 01h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $20.62 | $41.24 |
| Mid-grade | $5.57 | $21.93 | $43.87 |
| Premium | $5.77 | $22.74 | $45.48 |
| Diesel | $5.47 | $21.54 | $43.08 |
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.