How far is Dexter, MO from O'Fallon, MO?

Distance by Flight

Shortest distance between Dexter and O'Fallon is 144.98 miles (233.32 km).

Flight distance from Dexter, MO to O'Fallon, MO is 144.98 miles. Estimated flight time is 00 hours 23 minutes.

It takes 00 hours 20 minutes to travel from Dexter to O'Fallon with an airplane (average speed of 550 miles).

Driving distance

The driving distance from Dexter, Missouri to O'Fallon, Missouri is: 192.17 miles (309.26 km) by car.

Driving from Dexter to O'Fallon will take approximately 02 hours 53 minutes.

O'Fallon image
#1 Dexter

City in Stoddard County, Missouri, United States

Population 7839
GPS Coordinates 36°47'45"N 89°57'28"W
Latitude 36.7958900
Longitude -89.9578700
Altitude 113
Country United States
O'Fallon image
#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

Estimated Travel Time Between Dexter and O'Fallon

The distance between Dexter and O'Fallon is 309 km if you choose to drive by road. You can go 03 hours 26 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 Dexter and O'Fallon. The current time is 19:07:00.

Average Speed Travel Time
30 mph (48.3 km/h) 06 hours 24 minutes
40 mph (64.37 km/h) 04 hours 48 minutes
50 mph (80.47 km/h) 03 hours 50 minutes
60 mph (96.56 km/h) 03 hours 12 minutes
70 mph (112.65 km/h) 02 hours 44 minutes
75 mph (120.7 km/h) 02 hours 33 minutes
80 mph (128.75 km/h) 02 hours 23 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 25.67 liters (6.78 gallon) of gas to cover the route between Dexter and O'Fallon.
The estimated cost of gas to go from Dexter to O'Fallon is $21.73 (diesel $30.01).

Missouri gas prices.

Gasoline Mid Grade Premium Diesel
Gallon $3.21 $3.54 $3.86 $4.43
Total $21.73 $23.98 $26.17 $30.01

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 March 28, 2024.

How did we calculate the distance?

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

Distance to Other Cities

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Driving distance from Blue Springs, MO to Dexter 385.95 miles (621 km)

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Driving distance from Cape Girardeau, MO to Dexter 57.9 miles (93 km)

Driving distance from Castle Point, MO to Dexter 181.03 miles (291 km)

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Driving distance from Chesterfield, MO to Dexter 176.71 miles (284 km)

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Driving distance from Columbia, MO to Dexter 279.64 miles (450 km)

Driving distance from East Independence, MO to Dexter 378.98 miles (610 km)

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Driving distance from Florissant, MO to Dexter 185.39 miles (298 km)

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Driving distance from Independence, MO to Dexter 383.4 miles (617 km)

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Driving distance from Jefferson City, MO to Dexter 263.98 miles (425 km)

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Driving distance from Joplin, MO to Dexter 281 miles (452 km)

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Driving distance from Kansas City, MO to Dexter 385.44 miles (620 km)

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Driving distance from Lee's Summit, MO to Dexter 367.82 miles (592 km)

Gas Cost Calculator