How far is Ahtanum, WA from Renton, WA?

The driving distance from Ahtanum, WA to Renton, WA is about 153 miles (246.3 km), with a travel time of about 02h 36m by car.

  • The straight-line flight distance is about 98.5 miles (158.6 km).
  • For a round trip, plan for roughly 05h 13m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
153.05 mi
02h 36m
Flight
98.56 mi
158.61 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Ahtanum.

Flight Distance

Direct air line
98.56 mi
Kilometers
158.61 km
Flight Time
00h 11m

Driving Distance

Road route
153.05 mi
Kilometers
246.31 km
Drive Time
02h 36m

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 36m.

Arrival Snapshot
Arrive in Renton
Sun, Apr 19, 5:18 AM PDT
Return by in Ahtanum
Sun, Apr 19, 7:55 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Ahtanum
2026-04-19T02:41
Arrive Renton
Sun, Apr 19, 5:18 AM PDT
Route Timing
02h 36m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
10:37 AM to 12:37 PM PDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:16 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Ahtanum
9:30 PM PDT
Morning start is best

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 Ahtanum
74.9 mi
01h 18m
To Renton
78.1 mi
01h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Sunday

Mostly Cloudy

Starts
Sun, Apr 19 6:00 AM PDT
Wind
6 mph NE
Destination
66°F
Sunday

Chance Light Rain

Starts
Sun, Apr 19 6:00 AM PDT
Wind
6 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South 85th Avenue

    33 m · 9 sec · South 85th Avenue

  2. 2

    Turn left onto Aspen Road

    110 m · 14 sec · Aspen Road

  3. 3

    Turn right onto South 84th Avenue

    108 m · 18 sec · South 84th Avenue

  4. 4

    Turn left onto Ahtanum Road

    1.3 mi · 2 min · Ahtanum Road

  5. 5

    Turn left onto South 64th Avenue

    1.4 km · 2 min · South 64th Avenue

  6. 6

    Turn right onto West Washington Avenue

    1.8 mi · 4 min · West Washington Avenue

  7. 7

    Turn left onto 40th Avenue

    3.2 mi · 7 min · 40th Avenue

  8. 8

    Take the ramp straight

    2251 ft · 55 sec

  9. 9

    Merge slight left

    2 mi · 2 min

  10. 10

    Take the exit slight right toward I 82 West, US 97 North: Selah, Ellensburg

    1455 ft · 50 sec

  11. 11

    Turn straight onto Selah Road

    31 m · 2 sec · Selah Road

  12. 12

    Take the ramp slight right

    34 m · 3 sec

  13. 13

    Keep slight left

    1297 ft · 32 sec

  14. 14

    Merge slight right

    30.3 mi · 33 min

  15. 15

    Keep slight left to continue on I 90 West

    101.4 mi · 1 hr 54 min

  16. 16

    Take the exit slight right toward I 405: Renton, Everett

    1138 ft · 28 sec

  17. 17

    Keep slight left to continue on I 405 South: Renton

    1 km · 1 min

  18. 18

    Merge slight left

    4.9 mi · 6 min

  19. 19

    Take the exit slight right toward WA 900 East: Park Avenue North, Sunset Boulevard Northeast

    1509 ft · 37 sec

  20. 20

    Turn right onto North Southport Drive

    1836 ft · 49 sec · North Southport Drive

  21. 21

    Continue on Logan Avenue North

    1.1 mi · 3 min · Logan Avenue North

  22. 22

    Continue on Airport Way South

    2113 ft · 60 sec · Airport Way South

  23. 23

    Turn left onto Rainier Avenue South

    777 ft · 24 sec · Rainier Avenue South

  24. 24

    Turn left

    12 m · 3 sec

  25. 25

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
25 steps
10 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
16.3 / 100 mi
Decision points by distance
Main Roads
I 90 West
101 mi · 66%
Selah Road
30.6 mi · 20%
40th Avenue
5.61 mi · 4%
I 405 South
5.58 mi · 4%
West Washington Avenue
1.84 mi · 1%
Ahtanum Road
1.27 mi · 1%
Longest Stretch

I 90 West

Keep slight left to continue on I 90 West

101 mi · 01h 54m

Route Summary

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

Trip Read

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.

Drive Time
02h 36m
Day trip friendly
Same-Day Return
05h 14m
Round-trip wheel time
Road vs Air
+54.5 mi
98.5 mi direct line
Halfway Stop
Roslyn
01h 18m from Ahtanum
Leave By
1:16 PM PDT
Morning start is best
Weather Watch

Mostly Cloudy leaving Ahtanum and Chance Light Rain near Renton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 153 miles (246.3 km) and usually takes 02h 36m 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?

Roslyn is a useful midpoint, sitting about 74.9 miles from Ahtanum and 78.1 miles from Renton.

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

The direct path is about 98.5 miles (158.6 km), while the road route adds roughly 54.5 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 1:16 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $28.26 one way or $56.52 round trip. Estimated CO2 is about 48 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Ahtanum and Chance Light Rain near Renton.

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 Ahtanum and Renton. Straight-line distance: 98.56 mi (158.61 km).

Ahtanum

#1 Ahtanum

Census designated place

Population3,601
Coordinates46.5595700, -120.6220100
Altitude380
CountryUnited States
Renton

#2 Renton

The second most populous city in King County, Washington.

Population101,494
Coordinates47.4828800, -122.2170700
Altitude12
CountryUnited States
Start: South 85th Avenue (-120.622102, 46.559572)
End: (-122.217044, 47.482897)

Estimated Travel Time

Distance: 246 km by road

SpeedTime
30 mph (48.3 km/h)05h 05m
40 mph (64.37 km/h)03h 49m
50 mph (80.47 km/h)03h 03m
60 mph (96.56 km/h)02h 33m
70 mph (112.65 km/h)02h 11m
80 mph (129 km/h)01h 54m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.4 gal
20.44 L · about $28.26
Round trip
$56.52
10.8 gal · 40.88 L
Estimated CO2
48 kg one way
Round trip: 96 kg / 212 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $28.26 $56.52
Mid-grade $5.57 $30.06 $60.12
Premium $5.77 $31.16 $62.33
Diesel $5.47 $29.52 $59.04

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 Ahtanum and Renton. The current time is 02:41:57.

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.