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Distance from Normandy , Illinois to St Ann , Missouri
Route Information
The driving distance from Normandy, Illinois to St Ann, Missouri is 277.5 mi (446.6 km)
The straight-line (air) distance is 199.2 mi (320.6 km)
The estimated flight time is 0 hr 24 min (assuming average flight speed of 500 mph)
The estimated travel time by road is 4 hours 7 minutes
Traveling fast highway, long-distance in a south direction. Average speeds around 66 mph.
Location Details
Origin:
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Destination:
Journey Summary
Traveling from Normandy, Illinois to St Ann, Missouri covers 277.5 mi (446.6 km) in a south direction. This fast highway, long-distance route typically takes 4 hours 7 minutes under normal conditions.
Drivers have 3 route options between these locations (248.7-277.5 miles / 400-447 km). The primary route shown here saves 31 minutes compared to alternatives.
The route features scenic views along the way. with average speeds around 66 mph (106 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.