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Distance from Simpson to Yeary Mill
Route Information
The driving distance from Simpson, Illinois to Yeary Mill, Tennessee is 409.6 mi (659.2 km)
The straight-line (air) distance is 299.9 mi (482.7 km)
The estimated flight time is 0 hr 36 min
The estimated travel time by road is 6 hours 30 minutes
Traveling highway, long-distance in a east direction. Average speeds around 64 mph.
Location Details
Origin:
Destination:
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Journey Summary
Traveling from Simpson, Illinois to Yeary Mill, Tennessee covers 409.6 mi (659.2 km) in a east direction. This highway, long-distance route typically takes 6 hours 30 minutes under normal conditions.
Drivers have 3 route options between these locations (407.2-409.6 miles / 655-659 km). The primary route shown here saves 18 minutes compared to alternatives.
The route features scenic views, toll sections. with average speeds around 64 mph (103 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.