Distance Calculator

Distance from Chicago to O'Fallon

Distance between Chicago and O'Fallon is 410 kilometers (255 miles).
Driving distance from Chicago to O'Fallon is 466 kilometers (290 miles).

air 410 km
air 255 miles
car 466 km
car 290 miles

Distance Map Between Chicago and O'Fallon

Chicago, Springfield, United StatesO'Fallon, Springfield, United States = 255 miles = 410 km.

How far is it between Chicago and O'Fallon

Chicago is located in United States with (41.85,-87.6501) coordinates and O'Fallon is located in United States with (38.5923,-89.9112) coordinates. The calculated flying distance from Chicago to O'Fallon is equal to 255 miles which is equal to 410 km.

If you want to go by car, the driving distance between Chicago and O'Fallon is 466.09 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 04 hours 09 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 56 km.

City/PlaceLatitude and LongitudeGPS Coordinates
Chicago 41.85, -87.6501 41° 51´ 0.1080'' N
87° 39´ 0.1800'' W
O'Fallon 38.5923, -89.9112 38° 35´ 32.1720'' N
89° 54´ 40.3560'' W

Estimated Travel Time Between Chicago and O'Fallon

Average SpeedTravel Time
30 mph (48 km/h) 09 hours 42 minutes
40 mph (64 km/h) 07 hours 16 minutes
50 mph (80 km/h) 05 hours 49 minutes
60 mph (97 km/h) 04 hours 48 minutes
70 mph (112 km/h) 04 hours 09 minutes
75 mph (120 km/h) 03 hours 53 minutes
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