Distance from Ajax, South Dakota to Mill Iron, Montana
The driving distance from Ajax, South Dakota to Mill Iron, Montana is 185.1 mi (297.8 km)
The straight-line (air) distance is approximately 89.7 mi (144.4 km)
Estimated travel time by road is 3 hours 1 minute
We found 2 routes between Ajax and Mill Iron.
Available Routes
Route Directions
Take I-90 W, SD-34 W, US-212 W and State Hwy 323 to Prairie Dale Rd in Carter County
Follow Prairie Dale Rd to Mill Iron Rd/Mill Iron Camp Crook Rd
Route Directions
Continue on SD-79 N. Take I-90 W, SD-79 N and US-85 N/Theodore Roosevelt Expy to SD-20 W/Connel St in Buffalo
Continue on SD-20 W. Take Camp Crook Rd to Mill Iron Rd in Carter County
Journey Details
Traveling from Ajax, South Dakota to Mill Iron, Montana covers 183.9 miles (296 km) in a northwest direction. This mixed highways and local roads, long-distance route typically takes 3 hours 15 minutes under normal conditions.
Drivers have 2 route options between these locations (184-185 miles / 296-298 km). The primary route shown here saves no time compared to alternatives.
The route features scenic views. During midday weekday travel, expect lighter midday traffic with average speeds around 54 mph (87 km/h) .
Journey Waypoints
Ajax
Starting Point
Mill Iron
Destination