Distance from Ajax, South Dakota to Irwin, Nebraska
The driving distance from Ajax, South Dakota to Irwin, Nebraska is 160.3 mi (257.9 km)
The straight-line (air) distance is approximately 58.2 mi (93.6 km)
Estimated travel time by road is 2 hours 42 minutes
We found 2 routes between Ajax and Irwin.
Available Routes
Route Directions
Take SD-40 E, BIA Hwy 41, BIA 2, Allen Rd, ... and US-20 W/Bridges to Buttes Byway to Irwin Rd in Merriman Precinct
Route Directions
Take BIA Hwy 41 to US-18 E in Oglala
Follow US-18 E, NE-27 S and US-20 E/Bridges to Buttes Byway to Irwin Rd in Merriman Precinct
Journey Details
Traveling from Ajax, South Dakota to Irwin, Nebraska covers 135.9 miles (219 km) in a southeast direction. This highway, substantial route typically takes 2 hours 18 minutes under normal conditions.
Drivers have 2 route options between these locations (136-160 miles / 219-258 km). The primary route shown here saves 25 minutes compared to alternatives.
The route features scenic views. During night weekday travel, expect minimal traffic congestion with average speeds around 61 mph (98 km/h) .
Journey Waypoints
Ajax
Starting Point
Irwin
Destination