Distance from Harmon, North Dakota to Mahto, South Dakota
The driving distance from Harmon, North Dakota to Mahto, South Dakota is 101.2 mi (162.9 km)
The straight-line (air) distance is approximately 51.7 mi (83.3 km)
Estimated travel time by road is 1 hour 40 minutes
This route includes Toll roads along the way.
We found 3 routes between Harmon and Mahto.
Available Routes
Route Directions
Take ND-25 S to I-94BL E
Take ND-6 S to Mahto Rd in East Corson
Follow Mahto Rd to Main St
Route Directions
Take ND-1806 to Main St in East Corson
Route Directions
Follow State Hwy 1806 S to ND-6 S/10th Ave SW in Mandan
Continue on ND-6 S to East Corson
Follow Mahto Rd to Main St
Journey Details
Traveling from Harmon, North Dakota to Mahto, South Dakota covers 96.3 miles (155 km) in a south direction. This highway, substantial route typically takes 1 hour 37 minutes under normal conditions.
Drivers have 3 route options between these locations (96-104 miles / 155-168 km). The primary route shown here saves 11 minutes compared to alternatives.
The route features toll sections. During morning weekday travel, expect morning rush hour with average speeds around 59 mph (95 km/h) .
Journey Waypoints
Harmon
Starting Point
Mahto
Destination