Distance from Ajax, South Dakota to Thatcher, South Dakota
The driving distance from Ajax, South Dakota to Thatcher, South Dakota is 226.1 mi (363.8 km)
The straight-line (air) distance is approximately 84.3 mi (135.6 km)
Estimated travel time by road is 3 hours 21 minutes
We found 2 routes between Ajax and Thatcher.
Available Routes
Route Directions
Get on SD-79 S/US-16 BYP in Rapid City
Follow I-90 E to SD-63 N in Northeast Jackson. Take exit 170 from I-90 E
Follow SD-63 N to US-212 E in North Dewey
Route Directions
Follow SD-79 N, US-16 BYP and I-90 E to 161st Ave/Adams Ave in East Central Pennington. Exit from I-90 E
Follow New Underwood Rd to SD-34 E in Belle Fourche-Cheyenne Valleys
Drive to US-212 E in South Dewey
Journey Details
Traveling from Ajax, South Dakota to Thatcher, South Dakota covers 189.6 miles (305 km) in a northeast direction. This highway, long-distance route typically takes 3 hours 1 minute under normal conditions.
Drivers have 2 route options between these locations (190-226 miles / 305-364 km). The primary route shown here saves 21 minutes compared to alternatives.
The route features scenic views. During night weekday travel, expect minimal traffic congestion with average speeds around 64 mph (103 km/h) .
Journey Waypoints
Ajax
Starting Point
Thatcher
Destination