How far is Charleston, SC from Barnwell, SC?
The driving distance from Charleston, SC to Barnwell, SC is about 115.9 miles (186.5 km), with a travel time of about 02h 28m by car.
- The straight-line flight distance is about 88.9 miles (143 km).
- For a round trip, plan for roughly 04h 57m 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 28m.
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.
Town in South Carolina, United States
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 Charleston and Barnwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Charleston and Barnwell.
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1
Start on Broad Street
12 m · 5 sec · Broad Street
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2
Turn right onto Meeting Street
1.2 km · 2 min · Meeting Street
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3
Turn left onto Calhoun Street
689 ft · 15 sec · Calhoun Street
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4
Turn right onto King Street
3052 ft · 1 min · King Street
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5
Turn left onto Spring Street
853 ft · 30 sec · Spring Street
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6
Turn right onto Coming Street
1144 ft · 31 sec · Coming Street
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7
Turn right onto Septima Clark Expressway
3078 ft · 1 min · Septima Clark Expressway
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8
Keep slight left
66.1 mi · 1 hr 14 min
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9
Take the exit slight right toward US 301 South: Orangeburg
1530 ft · 37 sec
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10
Merge slight left onto Five Chop Road
6.6 mi · 8 min · Five Chop Road
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11
Turn slight left onto John C Calhoun Drive
2.5 mi · 4 min · John C Calhoun Drive
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12
Continue on Old Edisto Drive
1.7 mi · 2 min · Old Edisto Drive
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13
Continue on Bamberg Road
12.3 mi · 16 min · Bamberg Road
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14
Continue on Main Highway
3 mi · 4 min · Main Highway
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15
Turn right onto Heritage Highway
6.6 mi · 10 min · Heritage Highway
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16
Turn left onto Carolina Highway
1441 ft · 25 sec · Carolina Highway
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17
Turn right onto Hagood Street
2166 ft · 43 sec · Hagood Street
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18
Continue on Barnwell Road
11.8 mi · 21 min · Barnwell Road
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19
Continue on Main Street
1.1 mi · 2 min · Main Street
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20
Turn right onto Allen Street
1 km · 1 min · Allen Street
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21
Turn left onto Marlboro Avenue
75 m · 10 sec · Marlboro Avenue
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22
Turn left
21 m · 7 sec
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23
Turn right
67 m · 16 sec
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24
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Charleston and Barnwell.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Septima Clark Expressway
Keep slight left
66.1 mi · 01h 14m
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 Charleston and Sunny near Barnwell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Charleston to Barnwell?
The road trip is about 115.9 miles (186.5 km) and usually takes 02h 28m 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?
Bowman is a useful midpoint, sitting about 57.9 miles from Charleston and 57.9 miles from Barnwell.
How much longer is the road route than the straight-line distance?
The direct path is about 88.9 miles (143 km), while the road route adds roughly 27 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 1:32 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.20 one way or $32.40 round trip. Estimated CO2 is about 36.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Charleston and Sunny near Barnwell.
Stop Ideas Near Bowman
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 Bowman.
Denmark
Yemassee
Columbia
Charleston, South Carolina
Flight Path Map
This map shows the direct air route between Charleston and Barnwell. Straight-line distance: 88.82 mi (142.95 km).
#1 Charleston
The most populous city in South Carolina.
| Population | 139,714 |
| Coordinates | 32.7765700, -79.9309200 |
| Altitude | 6 |
| Country | United States |
#2 Barnwell
City in Barnwell County, South Carolina, United States
| Population | 4,260 |
| Coordinates | 33.2448700, -81.3587200 |
| Altitude | 66 |
| Country | United States |
End: Barnwell (-81.35872, 33.24487)
Estimated Travel Time
Distance: 186 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 51m |
| 40 mph (64.37 km/h) | 02h 53m |
| 50 mph (80.47 km/h) | 02h 19m |
| 60 mph (96.56 km/h) | 01h 55m |
| 70 mph (112.65 km/h) | 01h 39m |
| 80 mph (129 km/h) | 01h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $16.20 | $32.40 |
| Mid-grade | $4.43 | $18.11 | $36.23 |
| Premium | $4.78 | $19.54 | $39.08 |
| Diesel | $5.62 | $23.00 | $46.00 |
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 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.