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Distance from St James to Antietam
Route Information
The driving distance from St James, Maryland to Antietam, Maryland is 11.4 mi (18.4 km)
The straight-line (air) distance is 10.1 mi (16.3 km)
The estimated flight time is 0 hr 1 min
The estimated travel time by road is 18 minutes
Traveling secondary roads, short in a south direction. Average speeds around 39 mph.
Location Details
Origin:
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Destination:
Journey Summary
Traveling from St James, Maryland to Antietam, Maryland covers 11.4 mi (18.4 km) in a south direction. This secondary roads, short route typically takes 18 minutes under normal conditions.
The route features scenic views along the way. with average speeds around 39 mph (63 km/h).
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.