How far is Renton, WA from Union Gap, WA?

The driving distance from Renton, WA to Union Gap, WA is about 146.1 miles (235.2 km), with a travel time of about 02h 48m by car.

  • The straight-line flight distance is about 104 miles (167.4 km).
  • For a round trip, plan for roughly 05h 37m 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
146.13 mi
02h 48m
Flight
104.02 mi
167.41 km direct

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

Learn Distance

Choose another destination from Renton.

Flight Distance

Direct air line
104.02 mi
Kilometers
167.41 km
Flight Time
00h 12m

Driving Distance

Road route
146.13 mi
Kilometers
235.17 km
Drive Time
02h 48m

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 48m.

Arrival Snapshot
Arrive in Union Gap
Thu, Apr 23, 11:24 AM PDT
Return by in Renton
Thu, Apr 23, 2:13 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Renton
2026-04-23T08:35
Arrive Union Gap
Thu, Apr 23, 11:24 AM PDT
Route Timing
02h 48m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
10:49 AM to 12:49 PM PDT

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

Leave by
12:52 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Renton
9:30 PM PDT
Morning start is best

This departure sits inside the recommended comfort window for the route.

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 Renton
72.9 mi
01h 24m
To Union Gap
73.2 mi
01h 24m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM PDT
Wind
2 to 6 mph WNW
Destination
67°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM PDT
Wind
9 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Renton and Union Gap.

  1. 1

    Start on the route

    19 m · 5 sec

  2. 2

    Turn left

    22 m · 8 sec

  3. 3

    Turn left

    30 m · 9 sec

  4. 4

    Turn right onto Rainier Avenue South

    158 m · 13 sec · Rainier Avenue South

  5. 5

    Turn right onto Airport Way

    2225 ft · 1 min · Airport Way

  6. 6

    Continue on Logan Avenue South

    705 ft · 22 sec · Logan Avenue South

  7. 7

    Turn right onto North 3rd Street

    1 km · 1 min · North 3rd Street

  8. 8

    Turn left onto Sunset Boulevard North

    1012 ft · 36 sec · Sunset Boulevard North

  9. 9

    Keep slight right to continue on Sunset Boulevard North

    814 ft · 23 sec · Sunset Boulevard North

  10. 10

    Take the ramp slight left toward I 405 North, WA 900 East

    6.2 mi · 8 min

  11. 11

    Take the exit slight right toward I 90: Seattle, Spokane

    1281 ft · 31 sec

  12. 12

    Keep slight right to continue on I 90 East: Spokane

    1867 ft · 46 sec

  13. 13

    Merge slight left

    100.5 mi · 1 hr 52 min

  14. 14

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

    36.3 mi · 41 min

  15. 15

    Take the exit slight right toward Valley Mall Boulevard, Union Gap

    1567 ft · 38 sec

  16. 16

    Keep slight left to continue on Valley Mall Boulevard, Union Gap

    77 m · 7 sec

  17. 17

    Enter the roundabout and take exit 2 toward East Valley Mall Boulevard

    40 m · 2 sec · East Valley Mall Boulevard

  18. 18

    Exit the roundabout onto East Valley Mall Boulevard

    134 m · 9 sec · East Valley Mall Boulevard

  19. 19

    Enter the roundabout and take exit 3 toward Rudkin Road

    68 m · 4 sec · Rudkin Road

  20. 20

    Exit the roundabout onto Rudkin Road

    1255 ft · 42 sec · Rudkin Road

  21. 21

    Turn right

    45 m · 11 sec

  22. 22

    At the end of the road, turn left onto Main Street

    141 m · 15 sec · Main Street

  23. 23

    Turn left

    129 m · 31 sec

  24. 24

    Turn right

    24 m · 6 sec

  25. 25

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
14 turns on the saved route
Ramps & Exits
9
1 merges, 8 ramps or exits
Navigation Density
17.1 / 100 mi
Decision points by distance
Main Roads
I 90 East
101 mi · 69%
I 82 East
36.3 mi · 25%
I 405 North
6.15 mi · 4%
North 3rd Street
0.63 mi
Airport Way
0.42 mi
Sunset Boulevard North
0.35 mi
Longest Stretch

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.

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 48m
Day trip friendly
Same-Day Return
05h 38m
Round-trip wheel time
Road vs Air
+42.1 mi
104 mi direct line
Halfway Stop
Roslyn
01h 24m from Renton
Leave By
12:52 PM PDT
Morning start is best
Weather Watch

Mostly Sunny leaving Renton and Sunny near Union Gap.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Renton to Union Gap?

The road trip is about 146.1 miles (235.2 km) and usually takes 02h 48m 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 72.9 miles from Renton and 73.2 miles from Union Gap.

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

The direct path is about 104 miles (167.4 km), while the road route adds roughly 42.1 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 12:52 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $27.00 one way or $54.00 round trip. Estimated CO2 is about 45.9 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Renton and Sunny near Union Gap.

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 Renton and Union Gap. Straight-line distance: 104.02 mi (167.41 km).

Renton

#1 Renton

The second most populous city in King County, Washington.

Population101,494
Coordinates47.4828800, -122.2170700
Altitude12
CountryUnited States
Union Gap

#2 Union Gap

City in Yakima County, Washington, United States

Population6,160
Coordinates46.5573500, -120.4750600
Altitude300
CountryUnited States
Start: Renton (-122.21707, 47.48288)
End: Union Gap (-120.47506, 46.55735)

Estimated Travel Time

Distance: 235 km by road

SpeedTime
30 mph (48.3 km/h)04h 52m
40 mph (64.37 km/h)03h 39m
50 mph (80.47 km/h)02h 55m
60 mph (96.56 km/h)02h 26m
70 mph (112.65 km/h)02h 05m
80 mph (129 km/h)01h 49m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.16 gal
19.52 L · about $27.00
Round trip
$54.00
10.32 gal · 39.04 L
Estimated CO2
45.9 kg one way
Round trip: 91.7 kg / 202 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $27.00 $54.00
Mid-grade $5.57 $28.73 $57.45
Premium $5.77 $29.78 $59.56
Diesel $5.47 $28.21 $56.42

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

There is no time difference between Renton and Union Gap. The current time is 08:35:53.

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.