How far is Kent, WA from Cosmopolis, WA?
The driving distance from Kent, WA to Cosmopolis, WA is about 95.6 miles (153.9 km), with a travel time of about 02h 09m by car.
- The straight-line flight distance is about 78 miles (125.6 km).
- For a round trip, plan for roughly 04h 18m 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 09m.
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.
The capital of Washington state.
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 Kent and Cosmopolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kent and Cosmopolis.
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1
Start on 2nd Avenue South
3 m · 4 sec · 2nd Avenue South
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2
Turn right onto West Gowe Street
643 ft · 25 sec · West Gowe Street
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3
Turn left onto 4th Avenue South
829 ft · 24 sec · 4th Avenue South
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4
Turn slight right
56 m · 7 sec
-
5
Turn straight onto West Willis Street
1972 ft · 53 sec · West Willis Street
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6
Turn left onto WA 167 South: Auburn
1623 ft · 44 sec
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7
Merge slight left onto Valley Freeway
4.4 mi · 6 min · Valley Freeway
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8
Take the exit slight right toward WA 18 West: Federal Way
1.6 km · 2 min
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9
Merge slight left onto State Route 18
1.5 mi · 2 min · State Route 18
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10
Take the exit slight right toward I 5: Seattle, Tacoma
2980 ft · 1 min
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11
Keep slight left to continue on I 5 South, WA 161: Enchanted Parkway South, Tacoma
3094 ft · 1 min
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12
Keep slight left to continue on I 5 South: Tacoma
1297 ft · 32 sec
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13
Merge slight left
7.2 mi · 9 min
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14
Keep slight right
29.5 mi · 37 min
-
15
Take the exit slight right toward US 101: Aberdeen, Port Angeles
2448 ft · 35 sec
-
16
Continue straight
5.5 mi · 7 min
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17
Keep slight left
21 mi · 26 min
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18
Continue on Olympic Highway
10 mi · 13 min · Olympic Highway
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19
Take the exit slight right toward WA 107: Montesano, Raymond
1371 ft · 42 sec
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20
Turn left onto South Main Street
1.6 km · 2 min · South Main Street
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21
Continue on State Route 107
7 mi · 12 min · State Route 107
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22
Take the ramp right
57 m · 5 sec
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23
Merge slight left
4 mi · 7 min
-
24
Turn left onto E Street
657 ft · 25 sec · E Street
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25
Turn right onto 3rd Street
84 m · 10 sec · 3rd Street
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26
Arrive at your destination
0 m · 1 sec · 3rd Street
Car Route Details
A richer read on the saved driving route between Kent and Cosmopolis.
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
Keep slight right
29.5 mi · 00h 37m
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 Kent and Mostly Sunny near Cosmopolis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kent to Cosmopolis?
The road trip is about 95.6 miles (153.9 km) and usually takes 02h 09m 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?
Olympia is a useful midpoint, sitting about 47.7 miles from Kent and 47.9 miles from Cosmopolis.
How much longer is the road route than the straight-line distance?
The direct path is about 78 miles (125.6 km), while the road route adds roughly 17.6 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 2:12 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.64 one way or $35.27 round trip. Estimated CO2 is about 29.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Kent and Mostly Sunny near Cosmopolis.
Stop Ideas Near Olympia
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Lacey - City Hall Parking
Olympia Urban Forestry
Olympia City Hall
Lacey Community Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Olympia.
Centennial Station
Centralia station
Tacoma Dome Station
Tukwila station
Flight Path Map
This map shows the direct air route between Kent and Cosmopolis. Straight-line distance: 78.04 mi (125.59 km).
#1 Kent
The fourth most populous city in King County, Washington.
| Population | 130,676 |
| Coordinates | 47.3809300, -122.2348400 |
| Altitude | 13 |
| Country | United States |
#2 Cosmopolis
City in Grays Harbor County, Washington, United States
| Population | 1,680 |
| Coordinates | 46.9553700, -123.7737800 |
| Altitude | 8 |
| Country | United States |
End: Cosmopolis (-123.77378, 46.95537)
Estimated Travel Time
Distance: 154 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 11m |
| 40 mph (64.37 km/h) | 02h 23m |
| 50 mph (80.47 km/h) | 01h 54m |
| 60 mph (96.56 km/h) | 01h 35m |
| 70 mph (112.65 km/h) | 01h 21m |
| 80 mph (129 km/h) | 01h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $17.64 | $35.27 |
| Mid-grade | $5.57 | $18.76 | $37.52 |
| Premium | $5.77 | $19.45 | $38.90 |
| Diesel | $5.47 | $18.42 | $36.85 |
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.