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Distance from Cedar Rapids , Iowa to Kahm , Illinois
Route Information
The driving distance from Cedar Rapids, Iowa to Kahm, Illinois is 255.1 mi (410.5 km)
The straight-line (air) distance is 197.2 mi (317.3 km)
The estimated flight time is 0 hr 24 min (assuming average flight speed of 500 mph)
The estimated travel time by road is 3 hours 58 minutes
Traveling highway, long-distance in a southeast direction. Average speeds around 63 mph.
Location Details
Origin:
Destination:
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Journey Summary
Traveling from Cedar Rapids, Iowa to Kahm, Illinois covers 255.1 mi (410.5 km) in a southeast direction. This highway, long-distance route typically takes 3 hours 58 minutes under normal conditions.
Drivers have 3 route options between these locations (249.5-258.0 miles / 402-415 km). The primary route shown here saves 14 minutes compared to alternatives.
The route features scenic views along the way. with average speeds around 63 mph (101 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.