Distance from Prosser, Washington to Union Gap, Washington
The driving distance from Prosser, Washington to Union Gap, Washington is 48.8 mi (78.5 km)
The straight-line (air) distance is approximately 25.8 mi (41.5 km)
Estimated travel time by road is 52 minutes
We found 2 routes between Prosser and Union Gap.
Available Routes
Route Directions
Follow Bennett Ave to WA-22 W
Continue on WA-22 W. Take I-82 W to Main St in Union Gap. Take exit 38 from I-82 W
Follow Main St to E Ahtanum Rd
Route Directions
Get on I-82 W from Wine Country Rd
Follow I-82 W to Main St in Union Gap. Take exit 38 from I-82 W
Follow Main St to E Ahtanum Rd
Journey Details
Traveling from Prosser, Washington to Union Gap, Washington covers 45 miles (72 km) in a northwest direction. This highway, moderate route typically takes 44 minutes under normal conditions.
Drivers have 2 route options between these locations (45-49 miles / 72-78 km). The primary route shown here saves 9 minutes compared to alternatives.
The route features scenic views. During morning weekend travel, expect typical weekend traffic patterns with average speeds around 60 mph (97 km/h) .
Journey Waypoints
Prosser
Starting Point
Union Gap
Destination