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Distance from Duncan to Greenville
Route Information
The driving distance from Duncan, Oklahoma to Greenville, Oklahoma is 78.6 mi (126.5 km)
The straight-line (air) distance is 58.6 mi (94.3 km)
The estimated flight time is 0 hr 7 min
The estimated travel time by road is 1 hour 16 minutes
Traveling highway, substantial in a southeast direction. Average speeds around 65 mph.
Location Details
Origin:
Destination:
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Journey Summary
Traveling from Duncan, Oklahoma to Greenville, Oklahoma covers 78.6 mi (126.5 km) in a southeast direction. This highway, substantial route typically takes 1 hour 16 minutes under normal conditions.
Drivers have 3 route options between these locations (78.2-84.1 miles / 126-135 km). The primary route shown here saves 11 minutes compared to alternatives.
The route features scenic views along the way. with average speeds around 65 mph (105 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.