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Distance from Harmony Grove to Petra Mills
Route Information
The driving distance from Harmony Grove, North Carolina to Petra Mills, North Carolina is 77.3 mi (124.5 km)
The straight-line (air) distance is 57.1 mi (91.9 km)
The estimated flight time is 0 hr 7 min
The estimated travel time by road is 1 hour 24 minutes
Traveling highway, substantial in a west direction. Average speeds around 62 mph.
Location Details
Origin:
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Destination:
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Journey Summary
Traveling from Harmony Grove, North Carolina to Petra Mills, North Carolina covers 77.3 mi (124.5 km) in a west direction. This highway, substantial route typically takes 1 hour 24 minutes under normal conditions.
Drivers have 3 route options between these locations (75.8-88.5 miles / 122-142 km). The primary route shown here saves 9 minutes compared to alternatives.
The route features scenic views along the way. with average speeds around 62 mph (100 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.