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

The driving distance from Union Gap, WA to Sunnyside, WA is about 30.9 miles (49.7 km), with a travel time of about 00h 38m by car.

  • The straight-line flight distance is about 27.5 miles (44.2 km).
  • For a round trip, plan for roughly 01h 17m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
30.89 mi
00h 38m
Flight
27.45 mi
44.18 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Union Gap.

Flight Distance

Direct air line
27.45 mi
Kilometers
44.18 km
Flight Time
00h 03m

Driving Distance

Road route
30.89 mi
Kilometers
49.71 km
Drive Time
00h 38m

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 00h 38m.

Arrival Snapshot
Arrive in Sunnyside
Thu, Oct 15, 6:06 PM PDT
Return by in Union Gap
Thu, Oct 15, 6:45 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Union Gap
2026-10-15T17:27
Arrive Sunnyside
Thu, Oct 15, 6:06 PM PDT
Route Timing
00h 38m
One way by road
Best Departure Window
7:00 AM to 7:00 PM PDT
Leave when it suits your day
Arrive between
7:39 AM to 7:39 PM PDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:12 PM PDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Union Gap
10:00 PM PDT
Flexible departure

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
Zillah
WA

City in Washington

From Union Gap
15.4 mi
00h 19m
To Sunnyside
15.5 mi
00h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
This Afternoon

Sunny

Starts
Thu, Oct 15 12:00 PM PDT
Wind
3 mph E
Destination
71°F
Thursday

Sunny

Starts
Thu, Oct 15 6:00 AM PDT
Wind
0 to 3 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    24 m · 8 sec

  2. 2

    Turn right

    21 m · 7 sec

  3. 3

    Turn right onto East Ahtanum Road

    40 m · 11 sec · East Ahtanum Road

  4. 4

    Turn left onto Main Street

    1.5 km · 2 min · Main Street

  5. 5

    Turn slight right

    1129 ft · 19 sec

  6. 6

    Take the ramp straight

    1408 ft · 34 sec

  7. 7

    Keep slight right

    1286 ft · 31 sec

  8. 8

    Merge slight left

    25 mi · 27 min

  9. 9

    Take the exit slight right toward Sunnyside, Yakima Valley Highway

    1644 ft · 47 sec

  10. 10

    Turn left onto West Sunnyside Road

    1434 ft · 31 sec · West Sunnyside Road

  11. 11

    At the end of the road, turn right onto Yakima Valley Highway

    2.5 mi · 4 min · Yakima Valley Highway

  12. 12

    Turn right onto Homer Street

    1036 ft · 31 sec · Homer Street

  13. 13

    Turn right onto North 1st Street

    1260 ft · 35 sec · North 1st Street

  14. 14

    Continue on Zillah Avenue

    1042 ft · 29 sec · Zillah Avenue

  15. 15

    Continue on East Edison Avenue

    1949 ft · 1 min · East Edison Avenue

  16. 16

    Turn sharp right onto South 9th Street

    5 m · 1 sec · South 9th Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · South 9th Street

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
17 steps
9 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
55 / 100 mi
Decision points by distance
Main Roads
Main Street
26.8 mi · 87%
Yakima Valley Highway
2.55 mi · 8%
East Edison Avenue
0.37 mi · 1%
West Sunnyside Road
0.27 mi · 1%
North 1st Street
0.24 mi · 1%
Zillah Avenue
0.2 mi · 1%
Longest Stretch

Main Street

Merge slight left

25 mi · 00h 27m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 38m
Quick drive
Same-Day Return
01h 18m
Round-trip wheel time
Road vs Air
+3.4 mi
27.5 mi direct line
Halfway Stop
Zillah
00h 19m from Union Gap
Leave By
7:12 PM PDT
Flexible departure
Weather Watch

Sunny leaving Union Gap and Sunny near Sunnyside.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 30.9 miles (49.7 km) and usually takes 00h 38m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Zillah is a useful midpoint, sitting about 15.4 miles from Union Gap and 15.5 miles from Sunnyside.

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

The direct path is about 27.5 miles (44.2 km), while the road route adds roughly 3.4 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:12 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.92 one way or $11.85 round trip. Estimated CO2 is about 9.7 kg one way.

What should you check before leaving?

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

Stop Ideas Near Zillah

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

Mid-route Guidance
Local place coverage is thin around Zillah, 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 Zillah.

RAIL

Pasco Intermodal Train Station

92 mi away
535 North 1st Avenue
BUS

Quincy, Washington

98 mi away
102 B St NE
RAIL

Wishram

99 mi away
1 Railroad Avenue
BUS

Moses Lake, Washington

110 mi away
1819 East Kittleson Road

Flight Path Map

This map shows the direct air route between Union Gap and Sunnyside. Straight-line distance: 27.45 mi (44.18 km).

Union Gap

#1 Union Gap

City in Yakima County, Washington, United States

Population6,160
Coordinates46.5573500, -120.4750600
Altitude300
CountryUnited States
Sunnyside

#2 Sunnyside

City in Washington, United States

Population16,325
Coordinates46.3237400, -120.0086500
Altitude227
CountryUnited States
Start: Union Gap (-120.47506, 46.55735)
End: Sunnyside (-120.00865, 46.32374)

Estimated Travel Time

Distance: 50 km by road

SpeedTime
30 mph (48.3 km/h)01h 01m
40 mph (64.37 km/h)00h 46m
50 mph (80.47 km/h)00h 37m
60 mph (96.56 km/h)00h 30m
70 mph (112.65 km/h)00h 26m
80 mph (129 km/h)00h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.09 gal
4.13 L · about $5.92
Round trip
$11.85
2.18 gal · 8.26 L
Estimated CO2
9.7 kg one way
Round trip: 19.4 kg / 43 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.44 $5.92 $11.85
Mid-grade $5.72 $6.23 $12.47
Premium $5.98 $6.51 $13.03
Diesel $7.29 $7.95 $15.90

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 · Oct 15, 2026

There is no time difference between Union Gap and Sunnyside. The current time is 17:27:42.

Distance to Other Cities

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