Distance from Ajax, South Dakota to Dumont, South Dakota
The driving distance from Ajax, South Dakota to Dumont, South Dakota is 72.6 mi (116.9 km)
The straight-line (air) distance is approximately 24 mi (38.7 km)
Estimated travel time by road is 1 hour 22 minutes
We found 2 routes between Ajax and Dumont.
Available Routes
Route Directions
Get on SD-79 S/US-16 BYP in Rapid City
Take I-90 W to SD-34 W/SD-79 S/US-14A W/I-90BL/Lazelle St in Sturgis. Take exit 30 from I-90 W
Continue on US-14A W to your destination in South Lawrence
Route Directions
Follow Spring Creek Rd to US-16 E in Mount Rushmore
Continue on Catron Blvd. Take Park Dr to SD-44 W
Continue on SD-44 W to South Lawrence
Follow Custer Crossing Rd, Forest Service Rd 256 and N Rochford Rd to your destination
Journey Details
Traveling from Ajax, South Dakota to Dumont, South Dakota covers 54.2 miles (87 km) in a northwest direction. This mixed highways and local roads, moderate route typically takes 1 hour 18 minutes under normal conditions.
Drivers have 2 route options between these locations (54-73 miles / 87-117 km). The primary route shown here saves 4 minutes compared to alternatives.
The route features scenic views. During night weekday travel, expect minimal traffic congestion with average speeds around 45 mph (72 km/h) .
Journey Waypoints
Ajax
Starting Point
Dumont
Destination