How far is Union, SC from Charleston, SC?
Distance by Flight
Shortest distance between Union and Charleston is 139.73 miles (224.87 km).
Flight distance from Union, SC to Charleston, SC is 139.73 miles. Estimated flight time is 00 hours 20 minutes.
It takes 00 hours 18 minutes to travel from Union to Charleston with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Union, South Carolina to Charleston, South Carolina is: 172.01 miles (276.82 km) by car.
Driving from Union to Charleston will take approximately 03 hours 07 minutes.
#1 Union
County seat of Union County, South Carolina
| Population | 7535 |
|---|---|
| GPS Coordinates | 34°42'57"N 80°37'16"W |
| Latitude | 34.7157100 |
| Longitude | -80.6211800 |
| Altitude | 195 |
| Country | United States |
#2 Charleston
The most populous city in South Carolina. It is located on the Ashley and Cooper rivers in southeastern South Carolina. Charleston is known for its many historic buildings, its many parks and green spaces, and its many attractions, such as the Charleston Museum and the Fort Sumter National Monument.
| Population | 139714 |
|---|---|
| GPS Coordinates | 32°46'36"N 79°55'51"W |
| Latitude | 32.7765700 |
| Longitude | -79.9309200 |
| Altitude | 6 |
| Country | United States |
Ending point in Charleston: Broad Street (-79.930909,32.776494)
Estimated Travel Time Between Union and Charleston
The distance between Union and Charleston is 277 km if you choose to drive by road. You can go 03 hours 04 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 Charleston. The current time is 12:25:53.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 05 hours 43 minutes |
| 40 mph (64.37 km/h) | 04 hours 18 minutes |
| 50 mph (80.47 km/h) | 03 hours 26 minutes |
| 60 mph (96.56 km/h) | 02 hours 52 minutes |
| 70 mph (112.65 km/h) | 02 hours 27 minutes |
| 75 mph (120.7 km/h) | 02 hours 17 minutes |
| 80 mph (128.75 km/h) | 02 hours 08 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 22.98 liters (6.07 gallon) of gas to cover the route between Union and Charleston.
The estimated cost of gas to go from Union to Charleston is $18.84 (diesel $25.35).
South Carolina gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.1 | $3.53 | $3.88 | $4.18 |
| Total | $18.84 | $21.42 | $23.57 | $25.35 |
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 South Carolina ) per gallon of daily gas for calculations is $3.104 (Diesel $4.176) /gallon. Last changed prices on April 20, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Union and Charleston (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
