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Distance from Duncan to Orchard Prairie School District
Route Information
The driving distance from Duncan, Washington to Orchard Prairie School District, Washington is 21.6 mi (34.8 km)
The straight-line (air) distance is 15.5 mi (24.9 km)
The estimated flight time is 0 hr 2 min
The estimated travel time by road is 35 minutes
Traveling secondary roads, moderate in a north direction. Average speeds around 31 mph.
Location Details
Origin:
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Destination:
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Journey Summary
Traveling from Duncan, Washington to Orchard Prairie School District, Washington covers 21.6 mi (34.8 km) in a north direction. This secondary roads, moderate route typically takes 35 minutes under normal conditions.
Drivers have 3 route options between these locations (19.4-21.6 miles / 31-35 km). The primary route shown here saves 5 seconds compared to alternatives.
The route features scenic views along the way. with average speeds around 31 mph (50 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.