How far is Barnwell, SC from Hilton Head, SC?
The driving distance from Barnwell, SC to Hilton Head, SC is about 93 miles (149.6 km), with a travel time of about 02h 15m by car.
- The straight-line flight distance is about 79.3 miles (127.7 km).
- For a round trip, plan for roughly 04h 31m 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 15m.
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.
Human settlement in Hampton County, South Carolina, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Barnwell and Hilton Head.
Turn-by-Turn Driving Directions
Step-by-step road directions between Barnwell and Hilton Head.
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1
Start on the route
64 m · 18 sec
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2
Turn right
17 m · 7 sec
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3
Turn right onto Main Street
76 m · 15 sec · Main Street
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4
Turn left onto Marlboro Avenue
4.8 mi · 8 min · Marlboro Avenue
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5
Continue straight
11.9 mi · 18 min
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6
Turn right onto Main Street North
1689 ft · 31 sec · Main Street North
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7
Turn left onto East Railroad Avenue
1.6 km · 1 min · East Railroad Avenue
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8
Continue on Allendale-Fairfax Highway
4.5 mi · 7 min · Allendale-Fairfax Highway
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9
Continue on Allendale-Hampton Highway
1.1 mi · 2 min · Allendale-Hampton Highway
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10
Continue on Augusta Highway
1.8 mi · 3 min · Augusta Highway
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11
Continue on Railroad Avenue Southwest
1.4 mi · 2 min · Railroad Avenue Southwest
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12
Continue on Augusta Highway
3.7 mi · 5 min · Augusta Highway
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13
Continue on Elm Street West
2.7 mi · 4 min · Elm Street West
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14
Continue on West Carolina Avenue
2.1 mi · 4 min · West Carolina Avenue
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15
Continue on Augusta Highway
1.1 mi · 2 min · Augusta Highway
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16
Keep slight right to continue on Grays Highway
17.3 mi · 26 min · Grays Highway
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17
Turn left onto Morgandollar Road
4 mi · 7 min · Morgandollar Road
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18
Turn right onto West Frontage Road
3069 ft · 1 min · West Frontage Road
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19
Turn left onto Coosaw Scenic Drive
9.7 mi · 13 min · Coosaw Scenic Drive
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20
Continue on Lowcountry Drive
7.9 mi · 11 min · Lowcountry Drive
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21
Turn right onto Okatie Highway
4.2 mi · 5 min · Okatie Highway
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22
Take the exit slight right
1365 ft · 37 sec
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23
Merge slight left onto Fording Island Road
9.3 mi · 13 min · Fording Island Road
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24
Continue on William Hilton Parkway
3.4 mi · 4 min · William Hilton Parkway
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25
Arrive at your destination
0 m · 1 sec · William Hilton Parkway
Car Route Details
A richer read on the saved driving route between Barnwell and Hilton Head.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Grays Highway
Keep slight right to continue on Grays Highway
17.3 mi · 00h 26m
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 Barnwell and Sunny near Hilton Head.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Barnwell to Hilton Head?
The road trip is about 93 miles (149.6 km) and usually takes 02h 15m 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?
Furman is a useful midpoint, sitting about 46.5 miles from Barnwell and 46.4 miles from Hilton Head.
How much longer is the road route than the straight-line distance?
The direct path is about 79.3 miles (127.7 km), while the road route adds roughly 13.7 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 1:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.99 one way or $25.98 round trip. Estimated CO2 is about 29.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Barnwell and Sunny near Hilton Head.
Stop Ideas Near Furman
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 Furman.
Yemassee
Savannah
Denmark
Charleston, South Carolina
Flight Path Map
This map shows the direct air route between Barnwell and Hilton Head. Straight-line distance: 79.32 mi (127.65 km).
#1 Barnwell
City in Barnwell County, South Carolina, United States
| Population | 4,260 |
| Coordinates | 33.2448700, -81.3587200 |
| Altitude | 66 |
| Country | United States |
#2 Hilton Head
Resort town in South Carolina, USA
| Population | 37,099 |
| Coordinates | 32.2163200, -80.7526100 |
| Altitude | 3 |
| Country | United States |
End: Hilton Head (-80.75261, 32.21632)
Estimated Travel Time
Distance: 150 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 05m |
| 40 mph (64.37 km/h) | 02h 19m |
| 50 mph (80.47 km/h) | 01h 51m |
| 60 mph (96.56 km/h) | 01h 32m |
| 70 mph (112.65 km/h) | 01h 19m |
| 80 mph (129 km/h) | 01h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $12.99 | $25.98 |
| Mid-grade | $4.43 | $14.53 | $29.05 |
| Premium | $4.78 | $15.67 | $31.34 |
| Diesel | $5.62 | $18.45 | $36.89 |
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 14, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.