How far is Mercer Island, WA from Bellingham, WA?
The driving distance from Mercer Island, WA to Bellingham, WA is about 94.5 miles (152.1 km), with a travel time of about 01h 42m by car.
- The straight-line flight distance is about 83.1 miles (133.7 km).
- For a round trip, plan for roughly 03h 24m 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 01h 42m.
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 Mercer Island and Bellingham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mercer Island and Bellingham.
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1
Start on Southeast 42nd Street
539 ft · 28 sec · Southeast 42nd Street
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2
At the end of the road, turn right onto 86th Avenue Southeast
1325 ft · 49 sec · 86th Avenue Southeast
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3
Turn right onto Southeast 40th Street
1344 ft · 44 sec · Southeast 40th Street
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4
Turn left onto Gallagher Hill Road
1478 ft · 41 sec · Gallagher Hill Road
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5
Continue on Southeast 36th Street
2209 ft · 1 min · Southeast 36th Street
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6
Take the ramp straight toward I 90 East
1819 ft · 46 sec
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7
Merge slight left onto East Channel Bridge
2894 ft · 41 sec · East Channel Bridge
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8
Take the exit slight right toward I 405: Everett, Renton
2502 ft · 1 min
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9
Keep slight left to continue on I 405 North: Everett
3017 ft · 1 min
-
10
Merge slight left
8.1 mi · 10 min
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11
Keep slight right
8.4 mi · 11 min
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12
Keep slight right
1.9 mi · 2 min
-
13
Take the exit slight right toward I 5 North: Everett, Vancouver British Columbia
2843 ft · 49 sec
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14
Merge slight left
70.2 mi · 1 hr 23 min
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15
Take the exit slight right toward Lakeway Drive
725 ft · 27 sec
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16
Turn right onto King Street
144 m · 9 sec · King Street
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17
Turn right onto Lakeway Drive
2003 ft · 1 min · Lakeway Drive
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18
Continue on East Holly Street
3179 ft · 2 min · East Holly Street
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19
Turn right onto Bay Street
24 m · 3 sec · Bay Street
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20
Turn left onto Prospect Street
1333 ft · 39 sec · Prospect Street
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21
Continue on Dupont Street
2429 ft · 1 min · Dupont Street
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22
Arrive at your destination
0 m · 1 sec · Dupont Street
Car Route Details
A richer read on the saved driving route between Mercer Island and Bellingham.
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 left
70.2 mi · 01h 23m
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 Mercer Island and Light Rain Likely near Bellingham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mercer Island to Bellingham?
The road trip is about 94.5 miles (152.1 km) and usually takes 01h 42m 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?
Smokey Point is a useful midpoint, sitting about 47.2 miles from Mercer Island and 47.3 miles from Bellingham.
How much longer is the road route than the straight-line distance?
The direct path is about 83.1 miles (133.7 km), while the road route adds roughly 11.4 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 3:06 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.48 one way or $34.96 round trip. Estimated CO2 is about 29.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Mercer Island and Light Rain Likely near Bellingham.
Stop Ideas Near Smokey Point
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 Smokey Point.
Stanwood station
Everett Station
Skagit Transportation Center
Monroe, Washington
Flight Path Map
This map shows the direct air route between Mercer Island and Bellingham. Straight-line distance: 83.05 mi (133.66 km).
#1 Mercer Island
Island in the United States of America
| Population | 25,912 |
| Coordinates | 47.5706500, -122.2220700 |
| Altitude | 102 |
| Country | United States |
#2 Bellingham
The most populous city in Whatcom County, Washington.
| Population | 93,955 |
| Coordinates | 48.7595500, -122.4882200 |
| Altitude | 21 |
| Country | United States |
End: Dupont Street (-122.488104, 48.759626)
Estimated Travel Time
Distance: 152 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 08m |
| 40 mph (64.37 km/h) | 02h 21m |
| 50 mph (80.47 km/h) | 01h 53m |
| 60 mph (96.56 km/h) | 01h 34m |
| 70 mph (112.65 km/h) | 01h 21m |
| 80 mph (129 km/h) | 01h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $17.48 | $34.96 |
| Mid-grade | $5.57 | $18.59 | $37.19 |
| Premium | $5.77 | $19.28 | $38.55 |
| Diesel | $5.47 | $18.26 | $36.52 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.