How far is Saint Charles from O'Fallon?

Distance by Flight

Shortest distance between Saint Charles and O'Fallon is 11.92 miles (19.18 km).

Flight distance from Houston to Atlanta is 11.92 miles. Estimated flight time is 00 hours 01 minutes.

Driving distance

The driving distance from Saint Charles, Missouri to O'Fallon, Missouri is: 13.15 miles (21.16 km) by car.

Driving from Saint Charles to O'Fallon will take approximately 00 hours 17 minutes.

O'Fallon image
#1 Saint Charles

City in St. Charles County, Missouri, United States

Population 71028
GPS Coordinates 38°47'2"N 90°28'52"W
Latitude 38.7839400
Longitude -90.4812300
Altitude 147
Country United States
O'Fallon image
#2 O'Fallon

City in St. Charles County, Missouri, United States

Population 88673
GPS Coordinates 38°48'38"N 90°41'59"W
Latitude 38.8106100
Longitude -90.6998500
Altitude 165
Country United States

Estimated Travel Time Between Saint Charles and O'Fallon

The distance between Saint Charles and O'Fallon is 21 km if you choose to drive by road. You can go 00 hours 14 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.

There is no time difference between Saint Charles and O'Fallon. The current time is 20:57:12.

Average Speed Travel Time
30 mph (48.3 km/h) 00 hours 26 minutes
40 mph (64.37 km/h) 00 hours 19 minutes
50 mph (80.47 km/h) 00 hours 15 minutes
60 mph (96.56 km/h) 00 hours 13 minutes
70 mph (112.65 km/h) 00 hours 11 minutes
75 mph (120.7 km/h) 00 hours 10 minutes
80 mph (128.75 km/h) 00 hours 09 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 1.76 liters (0.46 gallon) of gas to cover the route between Saint Charles and O'Fallon.
The estimated cost of gas to go from Saint Charles to O'Fallon is $1.34 (diesel $1.46).

Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.

The average gas price per gallon of daily gas for calculations is $2.89 (Diesel $3.142) /gallon. Last changed prices on May 09, 2021.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Saint Charles and O'Fallon (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.

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