How far is Kent, WA from Ahtanum, WA?

The driving distance from Kent, WA to Ahtanum, WA is about 148.8 miles (239.5 km), with a travel time of about 03h 02m by car.

  • The straight-line flight distance is about 94.9 miles (152.7 km).
  • For a round trip, plan for roughly 06h 04m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
148.81 mi
03h 02m
Flight
94.88 mi
152.69 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Kent.

Flight Distance

Direct air line
94.88 mi
Kilometers
152.69 km
Flight Time
00h 11m

Driving Distance

Road route
148.81 mi
Kilometers
239.48 km
Drive Time
03h 02m

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 03h 02m.

Arrival Snapshot
Arrive in Ahtanum
Sun, Apr 19, 2:28 AM PDT
Return by in Kent
Sun, Apr 19, 5:30 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kent
2026-04-18T23:25
Arrive Ahtanum
Sun, Apr 19, 2:28 AM PDT
Route Timing
03h 02m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
9:02 AM to 11:02 AM PDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:56 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Kent
9:00 PM PDT
Early departure recommended

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.

Mid-route stop
Roslyn
WA

City in Kittitas County, Washington, USA

From Kent
74.3 mi
01h 31m
To Ahtanum
74.5 mi
01h 31m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Saturday

Mostly Cloudy then Chance Light Rain

Starts
Sat, Apr 18 6:00 AM PDT
Wind
3 mph N
Destination
64°F
Saturday

Partly Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
2 to 6 mph NE

Driving Route Map

The map below follows the saved road route between Kent and Ahtanum.

Turn-by-Turn Driving Directions

Step-by-step road directions between Kent and Ahtanum.

  1. 1

    Start on 2nd Avenue South

    3 m · 8 sec · 2nd Avenue South

  2. 2

    Turn left onto West Gowe Street

    1650 ft · 52 sec · West Gowe Street

  3. 3

    Continue on East Titus Street

    1075 ft · 36 sec · East Titus Street

  4. 4

    Turn right onto East Smith Street

    602 ft · 20 sec · East Smith Street

  5. 5

    Continue on Canyon Drive

    1.5 km · 2 min · Canyon Drive

  6. 6

    Continue on Southeast 256th Street

    1998 ft · 50 sec · Southeast 256th Street

  7. 7

    Keep slight right to continue on Southeast Kent Kangley Road

    1.9 mi · 3 min · Southeast Kent Kangley Road

  8. 8

    Continue on Southeast Kent-Kangley Road

    624 ft · 14 sec · Southeast Kent-Kangley Road

  9. 9

    Continue on Southeast 272nd Street

    2.1 mi · 4 min · Southeast 272nd Street

  10. 10

    Turn left onto WA 18 East: North Bend

    2183 ft · 55 sec

  11. 11

    Merge slight left onto State Route 18

    15.7 mi · 20 min · State Route 18

  12. 12

    Continue on Snoqualmie Parkway

    656 ft · 8 sec · Snoqualmie Parkway

  13. 13

    Take the exit slight right toward I 90 East: Spokane

    3019 ft · 1 min

  14. 14

    Merge slight left

    84.5 mi · 1 hr 33 min

  15. 15

    Take the exit slight right toward I 82 East, US 97 South: Yakima

    31.3 mi · 34 min

  16. 16

    Take the exit slight right toward US 12 west, North 1st Street

    96 m · 5 sec

  17. 17

    Keep slight right to continue on US 12 west, North 1st Street

    1748 ft · 25 sec

  18. 18

    Merge slight left

    1.8 mi · 2 min

  19. 19

    Take the exit slight right toward North 40th Avenue, Fruitvale BOulevard

    3102 ft · 1 min

  20. 20

    Continue on North 40th Avenue

    3 mi · 7 min · North 40th Avenue

  21. 21

    Turn right onto Loren Place

    112 m · 13 sec · Loren Place

  22. 22

    Continue on South 42th Avenue

    741 ft · 27 sec · South 42th Avenue

  23. 23

    At the end of the road, turn right onto West Washington Avenue

    1.7 mi · 3 min · West Washington Avenue

  24. 24

    Turn left onto South 64th Avenue

    1.4 km · 2 min · South 64th Avenue

  25. 25

    At the end of the road, turn right onto Ahtanum Road

    1.3 mi · 2 min · Ahtanum Road

  26. 26

    Turn right onto South 84th Avenue

    108 m · 18 sec · South 84th Avenue

  27. 27

    Turn left onto Aspen Road

    110 m · 14 sec · Aspen Road

  28. 28

    Turn right onto South 85th Avenue

    33 m · 4 sec · South 85th Avenue

  29. 29

    Arrive at your destination

    0 m · 1 sec · South 85th Avenue

Car Route Details

A richer read on the saved driving route between Kent and Ahtanum.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
29 steps
10 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
19.5 / 100 mi
Decision points by distance
Main Roads
I 90 East
85.1 mi · 57%
I 82 East
31.3 mi · 21%
State Route 18
15.7 mi · 11%
North 40th Avenue
3.64 mi · 2%
US 12 west
2.18 mi · 1%
Southeast 272nd Street
2.14 mi · 1%
Longest Stretch

I 90 East

Merge slight left

84.5 mi · 01h 33m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 02m
Long day trip
Same-Day Return
06h 04m
Round-trip wheel time
Road vs Air
+53.9 mi
94.9 mi direct line
Halfway Stop
Roslyn
01h 31m from Kent
Leave By
10:56 AM PDT
Early departure recommended
Weather Watch

Mostly Cloudy then Chance Light Rain leaving Kent and Partly Sunny near Ahtanum.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Kent to Ahtanum?

The road trip is about 148.8 miles (239.5 km) and usually takes 03h 02m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Roslyn is a useful midpoint, sitting about 74.3 miles from Kent and 74.5 miles from Ahtanum.

How much longer is the road route than the straight-line distance?

The direct path is about 94.9 miles (152.7 km), while the road route adds roughly 53.9 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 10:56 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $27.47 one way or $54.95 round trip. Estimated CO2 is about 46.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Chance Light Rain around Kent and Partly Sunny near Ahtanum.

Stop Ideas Near Roslyn

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Roslyn, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Roslyn.

BUS

Leavenworth, Washington

48 mi away
Hwy 2 and 12th St.
RAIL

Leavenworth

50 mi away
11645 North Rd
RAIL

Columbia Station

56 mi away
Kittitas & South Columbia Sts.
BUS

Stevens Pass, Washington

56 mi away
US Highway 2 at Summit Parking Lot

Flight Path Map

This map shows the direct air route between Kent and Ahtanum. Straight-line distance: 94.88 mi (152.69 km).

Kent

#1 Kent

The fourth most populous city in King County, Washington.

Population130,676
Coordinates47.3809300, -122.2348400
Altitude13
CountryUnited States
Ahtanum

#2 Ahtanum

Census designated place

Population3,601
Coordinates46.5595700, -120.6220100
Altitude380
CountryUnited States
Start: Kent (-122.23484, 47.38093)
End: Ahtanum (-120.62201, 46.55957)

Estimated Travel Time

Distance: 239 km by road

SpeedTime
30 mph (48.3 km/h)04h 57m
40 mph (64.37 km/h)03h 43m
50 mph (80.47 km/h)02h 58m
60 mph (96.56 km/h)02h 28m
70 mph (112.65 km/h)02h 07m
80 mph (129 km/h)01h 51m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.25 gal
19.88 L · about $27.47
Round trip
$54.95
10.5 gal · 39.76 L
Estimated CO2
46.7 kg one way
Round trip: 93.3 kg / 206 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $27.47 $54.95
Mid-grade $5.57 $29.23 $58.45
Premium $5.77 $30.30 $60.60
Diesel $5.47 $28.70 $57.40

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

There is no time difference between Kent and Ahtanum. The current time is 23:25:42.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.