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Distance from Harmony to Swift
Route Information
The driving distance from Harmony, Illinois to Swift, Illinois is 39.8 mi (64.1 km)
The straight-line (air) distance is 29.9 mi (48.2 km)
The estimated flight time is 0 hr 4 min
The estimated travel time by road is 38 minutes
Traveling secondary roads, moderate in a southeast direction. Average speeds around 36 mph.
Location Details
Origin:
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Destination:
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Journey Summary
Traveling from Harmony, Illinois to Swift, Illinois covers 39.8 mi (64.1 km) in a southeast direction. This secondary roads, moderate route typically takes 38 minutes under normal conditions.
Drivers have 3 route options between these locations (33.8-40.3 miles / 54-65 km).
The route features scenic views, toll sections. with average speeds around 36 mph (58 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.