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Distance from Adair to Astoria

Driving Distance
18.8 mi 30.2 km
Flying Distance
15.1 mi 24.2 km

Route Information

The driving distance from Adair, Illinois to Astoria, Illinois is 18.8 mi (30.2 km)

The straight-line (air) distance is 15.1 mi (24.2 km)

The estimated flight time is 0 hr 2 min

The estimated travel time by road is 23 minutes

Traveling mixed highways and local roads, moderate in a southeast direction. Average speeds around 46 mph.

Location Details

Origin:


No image available
Place Adair
State/Province Illinois
Country US
Latitude 40.418931
Longitude -90.496794
GPS 40.418931° N, 90.496794° W
Local Time 8:10 PM
Timezone America/Chicago

Destination:


No image available
Place Astoria
State/Province Illinois
Country US
Latitude 40.227545
Longitude -90.359568
GPS 40.227545° N, 90.359568° W
Local Time 8:10 PM
Timezone America/Chicago

Journey Summary

Traveling from Adair, Illinois to Astoria, Illinois covers 18.8 mi (30.2 km) in a southeast direction. This mixed highways and local roads, moderate route typically takes 23 minutes under normal conditions.

Drivers have 3 route options between these locations (18.6-22.3 miles / 30-36 km). The primary route shown here saves 35 seconds compared to alternatives.

The route features scenic views along the way. with average speeds around 46 mph (74 km/h).

Available Routes

US Hwy 136 E and County Rd 13
18.8 mi 23 minutes
Shortest Fastest
US Hwy 136 E and Co Rd 2
22.3 mi 25 minutes
US Hwy 136 E and Co Rd 12
18.6 mi 25 minutes

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.