How far is Rock Hill, SC from Barnwell, SC?
The driving distance from Rock Hill, SC to Barnwell, SC is about 89.5 miles (144 km), with a travel time of about 02h 08m by car.
- The straight-line flight distance is about 69.8 miles (112.4 km).
- For a round trip, plan for roughly 04h 16m 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 08m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Lexington County, South Carolina, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Rock Hill and Barnwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rock Hill and Barnwell.
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1
Start on State Highway 215S
6.4 mi · 11 min · State Highway 215S
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2
Continue on Monticello Road
12.6 mi · 22 min · Monticello Road
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3
Take the ramp straight
1307 ft · 32 sec
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4
Merge slight left
4 mi · 5 min
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5
Take the exit slight right toward I 26 East: Charleston
1653 ft · 41 sec
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6
Merge slight left
1.1 km · 56 sec
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7
Keep slight right to continue on Charleston
7.1 mi · 9 min
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8
Take the exit slight right toward US 21, US 176, US 321: Gaston, Cayce
1648 ft · 40 sec
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9
Keep slight right
92 m · 7 sec
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10
Merge slight left onto Charleston Highway
2.7 mi · 3 min · Charleston Highway
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11
Turn slight right onto Highway 321
4.8 mi · 6 min · Highway 321
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12
Continue on North Main Street
2.1 mi · 2 min · North Main Street
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13
Continue on Southbound Road
4.1 mi · 6 min · Southbound Road
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14
Continue on North Church Street
1.3 mi · 3 min · North Church Street
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15
Continue on Savannah Highway
23.7 mi · 27 min · Savannah Highway
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16
Continue on Carolina Highway
5 mi · 6 min · 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 Rock Hill and Barnwell.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Savannah Highway
Continue on Savannah Highway
23.7 mi · 00h 27m
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.
Mostly Clear leaving Rock Hill and Mostly Sunny near Barnwell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rock Hill to Barnwell?
The road trip is about 89.5 miles (144 km) and usually takes 02h 08m 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?
Swansea is a useful midpoint, sitting about 44.8 miles from Rock Hill and 44.7 miles from Barnwell.
How much longer is the road route than the straight-line distance?
The direct path is about 69.8 miles (112.4 km), while the road route adds roughly 19.7 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 2:14 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.52 one way or $25.03 round trip. Estimated CO2 is about 28.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Rock Hill and Mostly Sunny near Barnwell.
Stop Ideas Near Swansea
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 Swansea.
Columbia
Denmark
Camden
Kingstree
Flight Path Map
This map shows the direct air route between Rock Hill and Barnwell. Straight-line distance: 69.83 mi (112.38 km).
#1 Rock Hill
The second most populous city in York County, South Carolina.
| Population | 76,318 |
| Coordinates | 34.2518200, -81.2550900 |
| Altitude | 132 |
| 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: 144 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 58m |
| 40 mph (64.37 km/h) | 02h 14m |
| 50 mph (80.47 km/h) | 01h 47m |
| 60 mph (96.56 km/h) | 01h 29m |
| 70 mph (112.65 km/h) | 01h 16m |
| 80 mph (129 km/h) | 01h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $12.52 | $25.03 |
| Mid-grade | $4.43 | $14.00 | $27.99 |
| Premium | $4.78 | $15.10 | $30.20 |
| Diesel | $5.62 | $17.77 | $35.54 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.