How far is Union, MO from St. Louis, MO?
Distance by Flight
Shortest distance between Union and St. Louis is 45.49 miles (73.2 km).
Flight distance from Union, MO to St. Louis, MO is 45.49 miles. Estimated flight time is 00 hours 06 minutes.
Driving distance
The driving distance from Union, Missouri to St. Louis, Missouri is: 50.9 miles (81.92 km) by car.
Driving from Union to St. Louis will take approximately 00 hours 54 minutes.
#1 Union
City in and county seat of Franklin County, Missouri, United States
| Population | 12094 |
|---|---|
| GPS Coordinates | 38°27'0"N 91°0'31"W |
| Latitude | 38.4500500 |
| Longitude | -91.0084800 |
| Altitude | 162 |
| 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 Union and St. Louis
The distance between Union and St. Louis is 82 km if you choose to drive by road. You can go 00 hours 54 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 Union and St. Louis. The current time is 03:45:37.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 01 hours 41 minutes |
| 40 mph (64.37 km/h) | 01 hours 16 minutes |
| 50 mph (80.47 km/h) | 01 hours 01 minutes |
| 60 mph (96.56 km/h) | 00 hours 50 minutes |
| 70 mph (112.65 km/h) | 00 hours 43 minutes |
| 75 mph (120.7 km/h) | 00 hours 40 minutes |
| 80 mph (128.75 km/h) | 00 hours 38 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 6.8 liters (1.8 gallon) of gas to cover the route between Union and St. Louis.
The estimated cost of gas to go from Union to St. Louis is $5.76 (diesel $7.95).
Missouri gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.21 | $3.54 | $3.86 | $4.43 |
| Total | $5.76 | $6.35 | $6.93 | $7.95 |
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 November 25, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Union 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 Union 61.49 miles (99 km)
Driving distance from East Independence, MO to Union 214.06 miles (345 km)
