Distance from Bonner-West Riverside, Montana to East Portal, Montana
The driving distance from Bonner-West Riverside, Montana to East Portal, Montana is 107.1 mi (172.4 km)
The straight-line (air) distance is approximately 55.5 mi (89.4 km)
Estimated travel time by road is 1 hour 44 minutes
Route Directions
Get on I-90 W/US-12 W from W Riverside Dr
Follow I-90 W to Mineral County. Take exit 5 from I-90 W
Take Rainy Creek Rd 506 to E Portal
Journey Details
Traveling from Bonner-West Riverside, Montana to East Portal, Montana covers 107.1 miles (172 km) in a west direction. This highway, substantial route typically takes 1 hour 44 minutes under normal conditions.
The route features scenic views. During midday weekday travel, expect lighter midday traffic with average speeds around 59 mph (95 km/h) .
Journey Waypoints
Bonner-West Riverside
Starting Point
East Portal
Destination