How far is O'Fallon, MO from Florissant, MO?
Distance by Flight
Shortest distance between O'Fallon and Florissant is 20.37 miles (32.78 km).
Flight distance from O'Fallon, MO to Florissant, MO is 20.37 miles. Estimated flight time is 00 hours 03 minutes.
Driving distance
The driving distance from O'Fallon, Missouri to Florissant, Missouri is: 25.17 miles (40.5 km) by car.
Driving from O'Fallon to Florissant will take approximately 00 hours 28 minutes.
#1 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 |
#2 Florissant
The most populous city in St. Louis County, Missouri. It is located on the Meramec River in north-central Missouri. Florissant is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Florissant Historical Society and the Florissant Heritage Museum.
| Population | 50795 |
|---|---|
| GPS Coordinates | 38°47'21"N 90°19'21"W |
| Latitude | 38.7892200 |
| Longitude | -90.3226100 |
| Altitude | 175 |
| Country | United States |
Ending point in Florissant: North New Florissant Road (-90.32261,38.78922)
Estimated Travel Time Between O'Fallon and Florissant
The distance between O'Fallon and Florissant is 41 km if you choose to drive by road. You can go 00 hours 27 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 O'Fallon and Florissant. The current time is 10:42:44.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 00 hours 50 minutes |
| 40 mph (64.37 km/h) | 00 hours 37 minutes |
| 50 mph (80.47 km/h) | 00 hours 30 minutes |
| 60 mph (96.56 km/h) | 00 hours 25 minutes |
| 70 mph (112.65 km/h) | 00 hours 21 minutes |
| 75 mph (120.7 km/h) | 00 hours 20 minutes |
| 80 mph (128.75 km/h) | 00 hours 18 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 3.36 liters (0.89 gallon) of gas to cover the route between O'Fallon and Florissant.
The estimated cost of gas to go from O'Fallon to Florissant is $2.85 (diesel $3.93).
Missouri gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.21 | $3.54 | $3.86 | $4.43 |
| Total | $2.85 | $3.14 | $3.43 | $3.93 |
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 December 23, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between O'Fallon and Florissant (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
Driving distance from Castle Point, MO to O'Fallon 28.32 miles (46 km)
Driving distance from East Independence, MO to O'Fallon 207.91 miles (335 km)
