How far is Renton, WA from Ahtanum, WA?
The driving distance from Renton, WA to Ahtanum, WA is about 150.2 miles (241.8 km), with a travel time of about 02h 59m by car.
- The straight-line flight distance is about 98.5 miles (158.6 km).
- For a round trip, plan for roughly 05h 58m 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 59m.
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.
City in Kittitas County, Washington, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Light Rain
Partly Sunny
Driving Route Map
The map below follows the saved road route between Renton and Ahtanum.
Turn-by-Turn Driving Directions
Step-by-step road directions between Renton and Ahtanum.
-
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
6.2 mi · 8 min
-
11
Take the exit slight right toward I 90: Seattle, Spokane
1281 ft · 31 sec
-
12
Keep slight right to continue on I 90 East: Spokane
1867 ft · 46 sec
-
13
Merge slight left
100.5 mi · 1 hr 52 min
-
14
Take the exit slight right toward I 82 East, US 97 South: Yakima
31.3 mi · 34 min
-
15
Take the exit slight right toward US 12 west, North 1st Street
96 m · 5 sec
-
16
Keep slight right to continue on US 12 west, North 1st Street
1748 ft · 25 sec
-
17
Merge slight left
1.8 mi · 2 min
-
18
Take the exit slight right toward North 40th Avenue, Fruitvale BOulevard
3102 ft · 1 min
-
19
Continue on North 40th Avenue
3 mi · 7 min · North 40th Avenue
-
20
Turn right onto Loren Place
112 m · 13 sec · Loren Place
-
21
Continue on South 42th Avenue
741 ft · 27 sec · South 42th Avenue
-
22
At the end of the road, turn right onto West Washington Avenue
1.7 mi · 3 min · West Washington Avenue
-
23
Turn left onto South 64th Avenue
1.4 km · 2 min · South 64th Avenue
-
24
At the end of the road, turn right onto Ahtanum Road
1.3 mi · 2 min · Ahtanum Road
-
25
Turn right onto South 84th Avenue
108 m · 18 sec · South 84th Avenue
-
26
Turn left onto Aspen Road
110 m · 14 sec · Aspen Road
-
27
Turn right onto South 85th Avenue
33 m · 4 sec · South 85th Avenue
-
28
Arrive at your destination
0 m · 1 sec · South 85th Avenue
Car Route Details
A richer read on the saved driving route between Renton and Ahtanum.
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 90 East
Merge slight left
101 mi · 01h 52m
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 Cloudy then Chance Light Rain leaving Renton 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 Renton to Ahtanum?
The road trip is about 150.2 miles (241.8 km) and usually takes 02h 59m 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 75 miles from Renton and 75.2 miles from Ahtanum.
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 51.7 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 12:32 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.73 one way or $55.47 round trip. Estimated CO2 is about 47.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Light Rain around Renton and Partly Sunny near Ahtanum.
Stop Ideas Near Roslyn
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 Roslyn.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Renton and Ahtanum. Straight-line distance: 98.56 mi (158.61 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 Ahtanum
Census designated place
| Population | 3,601 |
| Coordinates | 46.5595700, -120.6220100 |
| Altitude | 380 |
| Country | United States |
End: Ahtanum (-120.62201, 46.55957)
Estimated Travel Time
Distance: 242 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 00m |
| 40 mph (64.37 km/h) | 03h 45m |
| 50 mph (80.47 km/h) | 03h 00m |
| 60 mph (96.56 km/h) | 02h 30m |
| 70 mph (112.65 km/h) | 02h 08m |
| 80 mph (129 km/h) | 01h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $27.73 | $55.47 |
| Mid-grade | $5.57 | $29.51 | $59.01 |
| Premium | $5.77 | $30.59 | $61.17 |
| Diesel | $5.47 | $28.98 | $57.95 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.