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.

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#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
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#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

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 05:14:27.

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 March 29, 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

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Driving distance from Blue Springs, MO to Union 205.34 miles (330 km)

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Driving distance from Cape Girardeau, MO to Union 134.91 miles (217 km)

Driving distance from Castle Point, MO to Union 61.49 miles (99 km)

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Driving distance from Chesterfield, MO to Union 34.92 miles (56 km)

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Driving distance from Columbia, MO to Union 99.02 miles (159 km)

Driving distance from East Independence, MO to Union 214.06 miles (345 km)

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Driving distance from Florissant, MO to Union 58.34 miles (94 km)

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Driving distance from Independence, MO to Union 214.21 miles (345 km)

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Driving distance from Jefferson City, MO to Union 76.74 miles (124 km)

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Driving distance from Joplin, MO to Union 240.27 miles (387 km)

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Driving distance from Kansas City, MO to Union 222.19 miles (358 km)

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Driving distance from Lee's Summit, MO to Union 203.82 miles (328 km)

Gas Cost Calculator