How far is O'Fallon, MO from St. Louis, MO?
Distance by Flight
Shortest distance between O'Fallon and St. Louis is 29.88 miles (48.08 km).
Flight distance from O'Fallon, MO to St. Louis, MO is 29.88 miles. Estimated flight time is 00 hours 04 minutes.
Driving distance
The driving distance from O'Fallon, Missouri to St. Louis, Missouri is: 33.48 miles (53.88 km) by car.
Driving from O'Fallon to St. Louis will take approximately 00 hours 37 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 St. Louis
The second most populous city in Missouri and the center of the St. Louis metropolitan area. It is located on the Mississippi River in eastern Missouri. St. Louis is known for its Gateway Arch, its baseball team, the St. Louis Cardinals, and its many attractions, such as the St. Louis Zoo and the Missouri Botanical Garden.
| Population | 315685 |
|---|---|
| GPS Coordinates | 38°37'38"N 90°11'52"W |
| Latitude | 38.6272700 |
| Longitude | -90.1978900 |
| Altitude | 142 |
| Country | United States |
Ending point in St. Louis: Market Street (-90.197859,38.627348)
Estimated Travel Time Between O'Fallon and St. Louis
The distance between O'Fallon and St. Louis is 54 km if you choose to drive by road. You can go 00 hours 35 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 St. Louis. The current time is 10:54:38.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 01 hours 06 minutes |
| 40 mph (64.37 km/h) | 00 hours 50 minutes |
| 50 mph (80.47 km/h) | 00 hours 40 minutes |
| 60 mph (96.56 km/h) | 00 hours 33 minutes |
| 70 mph (112.65 km/h) | 00 hours 28 minutes |
| 75 mph (120.7 km/h) | 00 hours 26 minutes |
| 80 mph (128.75 km/h) | 00 hours 25 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 4.47 liters (1.18 gallon) of gas to cover the route between O'Fallon and St. Louis.
The estimated cost of gas to go from O'Fallon to St. Louis is $3.79 (diesel $5.23).
Missouri gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.21 | $3.54 | $3.86 | $4.43 |
| Total | $3.79 | $4.18 | $4.56 | $5.23 |
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 St. Louis (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)
