Distance from Ajax, South Dakota to Mills, Nebraska
The driving distance from Ajax, South Dakota to Mills, Nebraska is 272.8 mi (439 km)
The straight-line (air) distance is approximately 123.6 mi (198.9 km)
Estimated travel time by road is 4 hours
This route includes Toll roads along the way.
We found 3 routes between Ajax and Mills.
Available Routes
Route Directions
Get on I-90 E in Box Elder from SD-79 N and US-16 BYP
Follow I-90 E to SD-47 S in East Lyman. Take exit 251 from I-90 E
Follow SD-47 S and SD-251 S to 905th Rd in Mills
Route Directions
Get on SD-79 S/US-16 BYP in Rapid City
Follow I-90 E and US-83 S to 906th Rd in Valentine Precinct
Take NE-12 E to US-183 N/11th St/N Main St in Springview
Follow NE-12 E to 905th Rd in Mills
Route Directions
Continue on SD-40 E. Take BIA Hwy 41, BIA 2 and Allen Rd to US-18 E/Bennett Ave in West Bennett
Take US-20 E and NE-12 E to 452nd Ave in Mills
Continue on 452nd Ave. Drive to 905th Rd
Journey Details
Traveling from Ajax, South Dakota to Mills, Nebraska covers 270.8 miles (436 km) in a east direction. This highway, long-distance route typically takes 4 hours 26 minutes under normal conditions.
Drivers have 3 route options between these locations (271-287 miles / 436-462 km). The primary route shown here saves no time compared to alternatives.
The route features toll sections. During midday weekday travel, expect lighter midday traffic with average speeds around 61 mph (98 km/h) .
Journey Waypoints
Ajax
Starting Point
Mills
Destination