How far is Cape Girardeau, MO from O'Fallon, MO?

Fastest route

The distance between Cape Girardeau, MO and O'Fallon, MO is 138 miles (222.09 kilometers) by car, following the I-55 S route. The fastest route from Cape Girardeau to O'Fallon is 2 hours and 12 minutes far apart, if you drive non-stop. The halfway point is Bloomsdale, MO.

Here are the steps to get from Cape Girardeau to O'Fallon by car:

Head west on Broadway St.
Turn right onto US-61 S.
Take exit 99 for US 61/MO-34/I-55 business Loop toward Cape Girardeau/Jackson.
Keep left at the fork and follow signs for I-55 S toward Memphis.
Merge onto I-55 S.
Take exit 102A for US-61 N toward O'Fallon/Farmington.
Merge onto US-61 N.
Turn right onto N Main St.

Distance by Flight

Shortest distance between Cape Girardeau and O'Fallon is 122.23 miles (196.72 km).

Flight distance from Cape Girardeau, MO to O'Fallon, MO is 122.23 miles. Estimated flight time is 00 hours 16 minutes.

It takes 00 hours 15 minutes to travel from Cape Girardeau to O'Fallon with an airplane (average speed of 550 miles).

Driving distance

The driving distance from Cape Girardeau, Missouri to O'Fallon, Missouri is: 138.6 miles (223.06 km) by car.

Driving from Cape Girardeau to O'Fallon will take approximately 02 hours 11 minutes.

#1 Cape Girardeau

The second-largest city in Cape Girardeau County, Missouri. It is located on the Mississippi River in the southeastern part of the state. Cape Girardeau is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Cape Girardeau History Museum and the Cape Girardeau Farmers' Market.

Population	41588
GPS Coordinates	37°18'21"N 89°31'5"W
Latitude	37.3058800
Longitude	-89.5181500
Altitude	108
Country	United States

#2 O'Fallon

The most populous city in St. Charles County, Missouri. It is located in the eastern part of the county. O'Fallon is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the O'Fallon City Hall and the O'Fallon History Museum.

Population	89769
GPS Coordinates	38°48'38"N 90°41'59"W
Latitude	38.8106100
Longitude	-90.6998500
Altitude	165
Country	United States

Starting point in Cape Girardeau: Broadway Street (-89.518146,37.305904)
Ending point in O'Fallon: (-90.699849,38.810674)

Estimated Travel Time Between Cape Girardeau and O'Fallon

The distance between Cape Girardeau and O'Fallon is 223 km if you choose to drive by road. You can go 02 hours 28 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 Cape Girardeau and O'Fallon. The current time is 11:25:32.

Average Speed	Travel Time
30 mph (48.3 km/h)	04 hours 37 minutes
40 mph (64.37 km/h)	03 hours 27 minutes
50 mph (80.47 km/h)	02 hours 46 minutes
60 mph (96.56 km/h)	02 hours 18 minutes
70 mph (112.65 km/h)	01 hours 58 minutes
75 mph (120.7 km/h)	01 hours 50 minutes
80 mph (128.75 km/h)	01 hours 43 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 18.51 liters (4.89 gallon) of gas to cover the route between Cape Girardeau and O'Fallon.
The estimated cost of gas to go from Cape Girardeau to O'Fallon is $15.68 (diesel $21.65).

Missouri gas prices.

	Gasoline	Mid Grade	Premium	Diesel
Gallon	$3.21	$3.54	$3.86	$4.43
Total	$15.68	$17.29	$18.88	$21.65

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 (in Missouri ) per gallon of daily gas for calculations is $3.205 (Diesel $4.426) /gallon. Last changed prices on April 26, 2024.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Cape Girardeau 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.