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Distance from McAdam to Helen
Route Information
The driving distance from McAdam, Washington to Helen, Washington is 88.9 mi (143.1 km)
The straight-line (air) distance is 56.5 mi (90.9 km)
The estimated flight time is 0 hr 7 min
The estimated travel time by road is 1 hour 33 minutes
Traveling highway, substantial in a west direction. Average speeds around 59 mph.
Location Details
Origin:
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Destination:
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Journey Summary
Traveling from McAdam, Washington to Helen, Washington covers 88.9 mi (143.1 km) in a west direction. This highway, substantial route typically takes 1 hour 33 minutes under normal conditions.
Drivers have 3 route options between these locations (87.6-108.2 miles / 141-174 km). The primary route shown here saves 15 minutes compared to alternatives.
The route features scenic views, toll sections. with average speeds around 59 mph (95 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.