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Distance from Ajax to Dewey
Route Information
The driving distance from Ajax, South Dakota to Dewey, South Dakota is 88 mi (141.7 km)
The straight-line (air) distance is 49.9 mi (80.3 km)
The estimated flight time is 0 hr 6 min
The estimated travel time by road is 1 hour 38 minutes
Traveling secondary roads, substantial in a southwest direction. Average speeds around 38 mph.
Location Details
Origin:
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Destination:
Journey Summary
Traveling from Ajax, South Dakota to Dewey, South Dakota covers 88 mi (141.7 km) in a southwest direction. This secondary roads, substantial route typically takes 1 hour 38 minutes under normal conditions.
Drivers have 3 route options between these locations (75.2-88.0 miles / 121-142 km). The primary route shown here saves 5 minutes compared to alternatives.
The route features scenic views along the way. with average speeds around 38 mph (61 km/h).
Available Routes
How is the distance calculated?
Driving distances are based on actual road data. We use advanced routing algorithms that consider traffic, tolls, highways, and local streets. For air distances (as the crow flies), we use the Vincenty formula. It's a precise method that accounts for the Earth's shape and provides accuracy up to 0.5 mm.
When multiple route options exist, we display both the shortest and fastest paths. Travel times are estimated based on typical speeds for each road type, though actual times may vary with traffic and weather conditions. All distances are shown in both miles and kilometers for convenience.