How far is Imperial, MO from St. Louis, MO?
Distance by Flight
Shortest distance between Imperial and St. Louis is 20.29 miles (32.66 km).
Flight distance from Imperial, MO to St. Louis, MO is 20.29 miles. Estimated flight time is 00 hours 02 minutes.
Driving distance
The driving distance from Imperial, Missouri to St. Louis, Missouri is: 22.82 miles (36.72 km) by car.
Driving from Imperial to St. Louis will take approximately 00 hours 26 minutes.
#1 Imperial
| Population | |
|---|---|
| GPS Coordinates | 38°22'11"N 90°22'42"W |
| Latitude | 38.3697800 |
| Longitude | -90.3784500 |
| Altitude | 135 |
| 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 Imperial and St. Louis
The distance between Imperial and St. Louis is 37 km if you choose to drive by road. You can go 00 hours 24 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 Imperial and St. Louis. The current time is 00:52:51.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 00 hours 45 minutes |
| 40 mph (64.37 km/h) | 00 hours 34 minutes |
| 50 mph (80.47 km/h) | 00 hours 27 minutes |
| 60 mph (96.56 km/h) | 00 hours 22 minutes |
| 70 mph (112.65 km/h) | 00 hours 19 minutes |
| 75 mph (120.7 km/h) | 00 hours 18 minutes |
| 80 mph (128.75 km/h) | 00 hours 17 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 3.05 liters (0.81 gallon) of gas to cover the route between Imperial and St. Louis.
The estimated cost of gas to go from Imperial to St. Louis is $2.58 (diesel $3.56).
Missouri gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.21 | $3.54 | $3.86 | $4.43 |
| Total | $2.58 | $2.85 | $3.11 | $3.56 |
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 28, 2025.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Imperial 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 Imperial 34.91 miles (56 km)
Driving distance from East Independence, MO to Imperial 248.54 miles (400 km)
