How far is Tacoma, WA from Union Gap, WA?
The driving distance from Tacoma, WA to Union Gap, WA is about 160 miles (257.5 km), with a travel time of about 03h 07m by car.
- The straight-line flight distance is about 104.6 miles (168.4 km).
- For a round trip, plan for roughly 06h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 03h 07m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Sunny
Driving Route Map
The map below follows the saved road route between Tacoma and Union Gap.
Turn-by-Turn Driving Directions
Step-by-step road directions between Tacoma and Union Gap.
-
1
Start on South 11th Street
686 ft · 29 sec · South 11th Street
-
2
Turn right onto Market Street
759 ft · 31 sec · Market Street
-
3
Turn left onto South 13th Street
920 ft · 36 sec · South 13th Street
-
4
Turn right onto I 705 SB Ramp
65 m · 11 sec · I 705 SB Ramp
-
5
Take the ramp straight toward Port of Tacoma
869 ft · 21 sec
-
6
Merge slight right
1.3 km · 1 min
-
7
Keep slight right to continue on I 5 North: Seattle
1819 ft · 44 sec
-
8
Keep slight left to continue on I 5 North: Seattle
1395 ft · 34 sec
-
9
Merge slight left
7.7 mi · 10 min
-
10
Take the exit slight right toward WA 18 East: Auburn, Muckleshoot Reservation
2644 ft · 1 min
-
11
Merge slight left onto State Route 18
27.3 mi · 35 min · State Route 18
-
12
Continue on Snoqualmie Parkway
656 ft · 8 sec · Snoqualmie Parkway
-
13
Take the exit slight right toward I 90 East: Spokane
3019 ft · 1 min
-
14
Merge slight left
84.5 mi · 1 hr 33 min
-
15
Take the exit slight right toward I 82 East, US 97 South: Yakima
36.3 mi · 41 min
-
16
Take the exit slight right toward Valley Mall Boulevard, Union Gap
1567 ft · 38 sec
-
17
Keep slight left to continue on Valley Mall Boulevard, Union Gap
77 m · 7 sec
-
18
Enter the roundabout and take exit 2 toward East Valley Mall Boulevard
40 m · 2 sec · East Valley Mall Boulevard
-
19
Exit the roundabout onto East Valley Mall Boulevard
134 m · 9 sec · East Valley Mall Boulevard
-
20
Enter the roundabout and take exit 3 toward Rudkin Road
68 m · 4 sec · Rudkin Road
-
21
Exit the roundabout onto Rudkin Road
1255 ft · 42 sec · Rudkin Road
-
22
Turn right
45 m · 11 sec
-
23
At the end of the road, turn left onto Main Street
141 m · 15 sec · Main Street
-
24
Turn left
129 m · 31 sec
-
25
Turn right
24 m · 6 sec
-
26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Tacoma and Union Gap.
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
84.5 mi · 01h 33m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Tacoma 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 Tacoma to Union Gap?
The road trip is about 160 miles (257.5 km) and usually takes 03h 07m 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 79.8 miles from Tacoma and 80.1 miles from Union Gap.
How much longer is the road route than the straight-line distance?
The direct path is about 104.6 miles (168.4 km), while the road route adds roughly 55.4 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 10:44 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.57 one way or $59.13 round trip. Estimated CO2 is about 50.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Tacoma and Sunny near Union Gap.
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 Tacoma and Union Gap. Straight-line distance: 104.64 mi (168.4 km).
#1 Tacoma
The third most populous city in Washington.
| Population | 219,945 |
| Coordinates | 47.2528800, -122.4442900 |
| Altitude | 74 |
| Country | United States |
#2 Union Gap
City in Yakima County, Washington, United States
| Population | 6,160 |
| Coordinates | 46.5573500, -120.4750600 |
| Altitude | 300 |
| Country | United States |
End: Union Gap (-120.47506, 46.55735)
Estimated Travel Time
Distance: 257 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 19m |
| 40 mph (64.37 km/h) | 03h 59m |
| 50 mph (80.47 km/h) | 03h 11m |
| 60 mph (96.56 km/h) | 02h 39m |
| 70 mph (112.65 km/h) | 02h 17m |
| 80 mph (129 km/h) | 01h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $29.57 | $59.13 |
| Mid-grade | $5.57 | $31.45 | $62.91 |
| Premium | $5.77 | $32.61 | $65.21 |
| Diesel | $5.47 | $30.89 | $61.78 |
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 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.