Shortest distance between Eureka and Florissant is 25.76 miles (41.46 km).
Flight distance from Eureka, MO to Florissant, MO is 25.76 miles. Estimated flight time is 00 hours 04 minutes.
The driving distance from Eureka, Missouri to Florissant, Missouri is: 35.42 miles (57 km) by car.
Driving from Eureka to Florissant will take approximately 00 hours 38 minutes.
| Population | |
|---|---|
| GPS Coordinates | 38°30'9"N 90°37'40"W |
| Latitude | 38.5025500 |
| Longitude | -90.6279000 |
| Altitude | 139 |
| Country | United States |
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 |
The distance between Eureka and Florissant is 57 km if you choose to drive by road. You can go 00 hours 38 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 Eureka and Florissant. The current time is 17:17:22.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 01 hours 10 minutes |
| 40 mph (64.37 km/h) | 00 hours 53 minutes |
| 50 mph (80.47 km/h) | 00 hours 42 minutes |
| 60 mph (96.56 km/h) | 00 hours 35 minutes |
| 70 mph (112.65 km/h) | 00 hours 30 minutes |
| 75 mph (120.7 km/h) | 00 hours 28 minutes |
| 80 mph (128.75 km/h) | 00 hours 26 minutes |
A car with a fuel efficiency of 8.3 l/100 km will need 4.73 liters (1.25 gallon) of gas to cover the route between Eureka and Florissant.
The estimated cost of gas to go from Eureka to Florissant is $4.01 (diesel $5.53).
Missouri gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.21 | $3.54 | $3.86 | $4.43 |
| Total | $4.01 | $4.42 | $4.82 | $5.53 |
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 29, 2025.
The place names are translated into coordinates to approximate the distance between Eureka and Florissant (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
Driving distance from New York, MO to Eureka 245.5 miles (395 km)
Driving distance from Castle Point, MO to Eureka 40.63 miles (65 km)
Driving distance from East Independence, MO to Eureka 229.07 miles (369 km)