How far is Renton, WA from Marietta, WA?
The driving distance from Renton, WA to Marietta, WA is about 105.9 miles (170.4 km), with a travel time of about 02h 12m by car.
- The straight-line flight distance is about 91.7 miles (147.5 km).
- For a round trip, plan for roughly 04h 25m 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 12m.
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.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Renton and Marietta.
Turn-by-Turn Driving Directions
Step-by-step road directions between Renton and Marietta.
-
1
Start on the route
19 m · 5 sec
-
2
Turn left
22 m · 8 sec
-
3
Turn left
30 m · 9 sec
-
4
Turn right onto Rainier Avenue South
158 m · 13 sec · Rainier Avenue South
-
5
Turn right onto Airport Way
2225 ft · 1 min · Airport Way
-
6
Continue on Logan Avenue South
705 ft · 22 sec · Logan Avenue South
-
7
Turn right onto North 3rd Street
1 km · 1 min · North 3rd Street
-
8
Turn left onto Sunset Boulevard North
1012 ft · 36 sec · Sunset Boulevard North
-
9
Keep slight right to continue on Sunset Boulevard North
814 ft · 23 sec · Sunset Boulevard North
-
10
Take the ramp slight left toward I 405 North, WA 900 East
15 mi · 19 min
-
11
Keep slight right
8.4 mi · 11 min
-
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
-
14
Merge slight left
74.6 mi · 1 hr 28 min
-
15
Take the exit slight right toward Bakerview Road, Bellingham International Airport
1449 ft · 43 sec · Exit 258 Bakerview Road / Bellingham International Airport
-
16
Turn left onto West Bakerview Road
1409 ft · 36 sec · West Bakerview Road
-
17
Continue on Airport Drive
1.3 km · 1 min · Airport Drive
-
18
Continue on Alderwood Avenue
1436 ft · 31 sec · Alderwood Avenue
-
19
Turn right onto Marine Drive
2.1 mi · 5 min · Marine Drive
-
20
Turn right onto Bayon Road
11 m · 2 sec · Bayon Road
-
21
Arrive at your destination
0 m · 1 sec · Bayon Road
Car Route Details
A richer read on the saved driving route between Renton and Marietta.
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
74.6 mi · 01h 28m
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.
Sunny leaving Renton and Mostly Sunny near Marietta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Renton to Marietta?
The road trip is about 105.9 miles (170.4 km) and usually takes 02h 12m 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 52.9 miles from Renton and 53 miles from Marietta.
How much longer is the road route than the straight-line distance?
The direct path is about 91.7 miles (147.5 km), while the road route adds roughly 14.2 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 2:04 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.33 one way or $40.65 round trip. Estimated CO2 is about 33.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Renton and Mostly Sunny near Marietta.
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 Renton and Marietta. Straight-line distance: 91.65 mi (147.5 km).
#1 Renton
The second most populous city in King County, Washington.
| Population | 101,494 |
| Coordinates | 47.4828800, -122.2170700 |
| Altitude | 12 |
| Country | United States |
#2 Marietta
Situated at an elevation of 10 feet along Bellingham Bay, this low-lying Whatcom County community is located near the outlet of the Nooksack River.
| Population | 0 |
| Coordinates | 48.7870500, -122.5804500 |
| Altitude | 3 |
| Country | United States |
End: Marietta (-122.58045, 48.78705)
Estimated Travel Time
Distance: 170 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 31m |
| 40 mph (64.37 km/h) | 02h 38m |
| 50 mph (80.47 km/h) | 02h 07m |
| 60 mph (96.56 km/h) | 01h 45m |
| 70 mph (112.65 km/h) | 01h 30m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.44 | $20.33 | $40.65 |
| Mid-grade | $5.72 | $21.39 | $42.78 |
| Premium | $5.98 | $22.35 | $44.71 |
| Diesel | $7.29 | $27.27 | $54.54 |
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 15, 2026