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Trip from Kent, WA to Riverton, WA

Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards

Drive Time

19m

Distance

11.8 mi

19 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$2

one way

EV Charging

Unknown

Best Time to Leave

4 AM
0h 17m ★
6 AM
0h 19m
8 AM
0h 22m
10 AM
0h 20m
12 PM
0h 20m
3 PM
0h 20m
5 PM
0h 22m
8 PM
0h 18m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown Riverton, WA, WA

Riverton, WA

Frank Cone

Trip Overview

This short 11.8-mile drive from Kent, WA to Riverton, WA is easily manageable in about 19 minutes, making it perfect for a single-day excursion. The route primarily utilizes I-5 and local roads like South Kent Des Moines Road and South 133rd Street. With a modest fuel cost of around $2, this trip offers a straightforward journey within the Pacific Coast region. You won't need to break this up overnight; it's a quick hop that leaves plenty of time for activities at your destination.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 19m. Total distance: 11.8 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

19m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (53%). Some complex stretches to watch for.

Drive Character

Expect a mixed drive on this route, with 53% of it on the interstate. The longest uninterrupted stretch you'll encounter is 5.9 miles on I-5, offering a chance to settle into a steady pace. As you transition off the highway onto roads like South Kent Des Moines Road and South 133rd Street, the character of the drive will change, introducing you to local traffic and potentially slower speeds. This blend means you'll experience both freeway cruising and more urban navigation.

Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 20 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 5 is the longest continuous segment at about 5.9 miles.

How Hard Is This Drive?

This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 4 miles in near I 5.

Driving Effort 7/10

Focused - busy navigation packed into a short drive

Balances navigation complexity with total wheel time.

This is a short but busy drive. With 12 decision points packed into just 11.8 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 19m.

Where does it get tricky?

The main spots that need attention: at 4 miles (I 5): Merge point - match speed before joining. Lane positioning matters here; at 9.9 miles (WA 599): Exit ramp - move to the correct lane early. Lane positioning matters here; at 10.3 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Critical Maneuvers

5 of 12 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

5
4 mi into trip | ~6m in | I 5

Merge onto I 5

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
7
9.9 mi into trip | ~14m in | WA 599

Take the exit onto WA 599 toward WA 599 North: Tukwila

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / slight right lanes. Exit 156 Toward WA 599 North: Tukwila
7
10.3 mi into trip | ~14m in

Keep slight right at fork toward Interurban Avenue

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight right lanes. Toward Interurban Avenue
6
10.5 mi into trip | ~15m in | Gateway Drive South

Turn left onto Gateway Drive South

Lane positioning matters here

Use the left lane.
6
11.4 mi into trip | ~17m in | Tukwila International Boulevard

At end of road, turn left onto Tukwila International Boulevard

Complex interchange - multiple decisions in a short stretch

Main Roads

Road Distance Duration
I 5 5.9 mi 7m
South Kent Des Moines Road 2.6 mi 3m
South 133rd Street 0.4 mi 1m
West Willis Street 0.4 mi <1m
WA 599 0.4 mi <1m
South 130th Street 0.3 mi <1m
East Marginal Way South 0.2 mi <1m
4th Avenue South 0.2 mi <1m
Longest stretch: I 5 — 5.9 mi, about 7m

Turn-by-Turn Driving Directions

Step-by-step road directions between Kent, WA and Riverton, WA.

1

Start on 2nd Avenue South

10 ft · 4 sec · 2nd Avenue South
2

Turn right onto West Gowe Street

0.1 mi · 24 sec · West Gowe Street
3

Turn left onto 4th Avenue South

0.2 mi · 23 sec · 4th Avenue South
4

Turn slight right

182 ft · 6 sec
5

Turn straight onto WA 516

0.4 mi · 57 sec · West Willis Street
Use the straight lane.
6

Continue on WA 516

2.6 mi · 3 min · South Kent Des Moines Road
Use the left / straight lanes.
7

Take the exit

0.2 mi · 18 sec
8

Continue on this road

0.4 mi · 49 sec · this road
9

Merge onto I 5

5.9 mi · 7 min · I 5
Use the straight / slight right lanes.
10

Take the exit onto WA 599

0.4 mi · 30 sec · WA 599
Exit 156 Toward WA 599 North: Tukwila Use the straight / slight right lanes.
11

Keep slight right at fork

0.2 mi · 27 sec
Toward Interurban Avenue Use the straight / slight right lanes.
12

Turn left onto Interurban Avenue South

265 ft · 13 sec · Interurban Avenue South
13

Turn left onto Gateway Drive South

0.1 mi · 19 sec · Gateway Drive South
Use the left lane.
14

Continue on South 133rd Street

0.2 mi · 35 sec · South 133rd Street
15

Continue on East Marginal Way South

0.2 mi · 37 sec · East Marginal Way South
16

Turn left onto South 130th Street

0.3 mi · 56 sec · South 130th Street
17

At end of road, turn left onto Tukwila International Boulevard

0.1 mi · 17 sec · Tukwila International Boulevard
18

Turn right onto South 132nd Street

0.1 mi · 21 sec · South 132nd Street
19

Continue on South 133rd Street

0.2 mi · 29 sec · South 133rd Street
20

Arrive at destination

South 133rd Street

Fuel & Cost

Regular Gas

$2.47 one way

$4.94 round trip

$5.32/gal 25.4 MPG avg 4 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $5.58 $2.59 $5.18
premium $5.77 $2.68 $5.36
diesel $5.61 $2.61 $5.21

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$2

Estimated CO2 emission: 4.1 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $1 in charging · 0 stops · 75% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 3.5 0 $1.24 $0.57
Efficient EV 3 0 $1.03 $0.47
EV Truck/SUV 4.7 0 $1.65 $0.76

Gas CO2

4 kg

EV CO2

1 kg (75% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 15, 2026

Origin

Kent, WA

Late night in Kent on Friday

Local time

5:32 AM

PDT

Current temp

47°F

Unavailable

Live forecast

Destination

Riverton, WA

Late night in Riverton on Friday

Local time

5:32 AM

PDT

Current temp

43°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

4 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

19m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Kent, WA to Riverton, WA covers 11.8 miles and takes about 19m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are I 5, South Kent Des Moines Road, South 133rd Street. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 5.9 miles from Kent, WA. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $2.47 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

This is a short but busy drive. With 12 decision points packed into just 11.8 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 19m.

The main spots that need attention: at 4 miles (I 5): Merge point - match speed before joining. Lane positioning matters here; at 9.9 miles (WA 599): Exit ramp - move to the correct lane early. Lane positioning matters here; at 10.3 miles: Highway fork - watch signs carefully. Lane positioning matters here.

The route from Kent, WA to Riverton, WA does not surface many named destination signs beyond the main corridor.

How this page is built

Compiled and maintained by the Trip.ovh planning team at COD Solutions Oy (Helsinki). Each route is built from authoritative open government and mapping datasets rather than crowdsourced reviews. Distances and geometry come from OSRM over OpenStreetMap. Fuel cost uses EIA weekly regional averages. Pages are published only after passing our data-quality checks; our methodology page documents refresh cadence, editorial standards, and known limitations.

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