How far is Florence, SC from Union, SC?
The driving distance from Florence, SC to Union, SC is about 147.8 miles (237.9 km), with a travel time of about 02h 56m by car.
- The straight-line flight distance is about 112 miles (180.2 km).
- For a round trip, plan for roughly 05h 52m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 02h 56m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census-designated place in Richland County, South Carolina
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Florence and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Florence and Union.
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1
Start on the route
15 m · 9 sec
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2
Turn left
40 m · 15 sec
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3
At the end of the road, turn left onto East Cheves Street
1.1 km · 1 min · East Cheves Street
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4
Turn right onto Warley Street
644 ft · 18 sec · Warley Street
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5
Turn left onto West Evans Street
2.4 mi · 5 min · West Evans Street
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6
Turn right onto West David H McLeod Boulevard
1.5 mi · 3 min · West David H McLeod Boulevard
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7
Continue on J Strom Thurmond Freeway
76.4 mi · 1 hr 25 min · J Strom Thurmond Freeway
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8
Take the exit slight right toward I 26 West
1.7 mi · 4 min
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9
Merge slight left
35 mi · 39 min
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10
Take the exit slight right toward SC 121: Whitmire, Union
1436 ft · 36 sec
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11
Turn right onto State Highway 121
13.3 mi · 20 min · State Highway 121
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12
Merge slight left
1.5 mi · 2 min
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13
Keep slight left
589 ft · 8 sec
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14
Merge slight left onto Whitmire Highway
13.6 mi · 15 min · Whitmire Highway
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15
Continue on South Pinckney Street
1.3 mi · 2 min · South Pinckney Street
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16
Arrive at your destination
0 m · 1 sec · North Pinckney Street
Car Route Details
A richer read on the saved driving route between Florence and Union.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
J Strom Thurmond Freeway
Continue on J Strom Thurmond Freeway
76.4 mi · 01h 25m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Florence and Sunny near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Florence to Union?
The road trip is about 147.8 miles (237.9 km) and usually takes 02h 56m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Dentsville is a useful midpoint, sitting about 73.8 miles from Florence and 73.9 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 112 miles (180.2 km), while the road route adds roughly 35.8 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 12:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.64 one way or $41.27 round trip. Estimated CO2 is about 46.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Florence and Sunny near Union.
Stop Ideas Near Dentsville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dentsville.
Columbia
Camden
Denmark
Florence
Flight Path Map
This map shows the direct air route between Florence and Union. Straight-line distance: 111.95 mi (180.17 km).
#1 Florence
Civil town in Florence County, Wisconsin
| Population | 38,467 |
| Coordinates | 34.1954300, -79.7625600 |
| Altitude | 42 |
| Country | United States |
#2 Union
Township of Union County, New Jersey
| Population | 8,045 |
| Coordinates | 34.7154100, -81.6237100 |
| Altitude | 196 |
| Country | United States |
End: Union (-81.62371, 34.71541)
Estimated Travel Time
Distance: 238 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 55m |
| 40 mph (64.37 km/h) | 03h 41m |
| 50 mph (80.47 km/h) | 02h 57m |
| 60 mph (96.56 km/h) | 02h 27m |
| 70 mph (112.65 km/h) | 02h 06m |
| 80 mph (129 km/h) | 01h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $20.64 | $41.27 |
| Mid-grade | $4.43 | $23.08 | $46.15 |
| Premium | $4.78 | $24.89 | $49.79 |
| Diesel | $5.62 | $29.30 | $58.60 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in South Carolina · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.