How far is Hilton Head, SC from Barnwell, SC?
The driving distance from Hilton Head, SC to Barnwell, SC is about 93.3 miles (150.1 km), with a travel time of about 02h 16m by car.
- The straight-line flight distance is about 79.3 miles (127.7 km).
- For a round trip, plan for roughly 04h 33m 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 16m.
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.
Driving Route Map
The map below follows the saved road route between Hilton Head and Barnwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hilton Head and Barnwell.
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1
Start on William Hilton Parkway
1601 ft · 29 sec · William Hilton Parkway
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2
Continue on William Hilton Parkway
3.8 mi · 4 min · William Hilton Parkway
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3
Continue on Fording Island Road
9 mi · 13 min · Fording Island Road
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4
Take the exit slight right
1444 ft · 40 sec
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5
Keep slight right
45 m · 4 sec
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6
Merge slight left onto Okatie Highway
3.9 mi · 5 min · Okatie Highway
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7
Take the exit slight left
149 m · 14 sec
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8
Continue on Lowcountry Drive
7.9 mi · 11 min · Lowcountry Drive
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9
Continue on Coosaw Scenic Drive
9.7 mi · 13 min · Coosaw Scenic Drive
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10
Turn right onto West Frontage Road
3091 ft · 1 min · West Frontage Road
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11
Turn left onto Morgandollar Road
4 mi · 7 min · Morgandollar Road
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12
At the end of the road, turn right onto Grays Highway
17.2 mi · 26 min · Grays Highway
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13
Turn right
54 m · 12 sec
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14
Turn left onto Yemassee Highway
143 m · 8 sec · Yemassee Highway
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15
Continue on Augusta Highway
1.1 mi · 2 min · Augusta Highway
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16
Continue on East Carolina Avenue
2.1 mi · 4 min · East Carolina Avenue
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17
Continue on Elm Street East
2.7 mi · 4 min · Elm Street East
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18
Continue on Augusta Highway
3.7 mi · 5 min · Augusta Highway
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19
Continue on Railroad Avenue Southeast
1.4 mi · 2 min · Railroad Avenue Southeast
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20
Continue on Augusta Highway
1.8 mi · 3 min · Augusta Highway
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21
Continue on Allendale-Hampton Highway
1.1 mi · 2 min · Allendale-Hampton Highway
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22
Continue on Allendale-Fairfax Highway
4.5 mi · 7 min · Allendale-Fairfax Highway
-
23
Continue on East Railroad Avenue
1.6 km · 2 min · East Railroad Avenue
-
24
Turn right onto Main Street North
1689 ft · 29 sec · Main Street North
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25
Turn left onto Pine Street
948 ft · 16 sec · Pine Street
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26
Continue on Barnwell Road
6.9 mi · 10 min · Barnwell Road
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27
Continue on Kings Avenue
9.7 mi · 15 min · Kings Avenue
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28
Turn right
21 m · 7 sec
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29
Turn right
67 m · 16 sec
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30
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Hilton Head and Barnwell.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Grays Highway
At the end of the road, turn right onto Grays Highway
17.2 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 Hilton Head and Sunny near Barnwell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hilton Head to Barnwell?
The road trip is about 93.3 miles (150.1 km) and usually takes 02h 16m 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 46.7 miles from Hilton Head and 46.6 miles from Barnwell.
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 14 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 1:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.03 one way or $26.06 round trip. Estimated CO2 is about 29.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Hilton Head and Sunny near Barnwell.
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 Hilton Head and Barnwell. Straight-line distance: 79.32 mi (127.65 km).
#1 Hilton Head
Resort town in South Carolina, USA
| Population | 37,099 |
| Coordinates | 32.2163200, -80.7526100 |
| Altitude | 3 |
| 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: 150 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 06m |
| 40 mph (64.37 km/h) | 02h 19m |
| 50 mph (80.47 km/h) | 01h 51m |
| 60 mph (96.56 km/h) | 01h 33m |
| 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 | $13.03 | $26.06 |
| Mid-grade | $4.43 | $14.57 | $29.14 |
| Premium | $4.78 | $15.72 | $31.44 |
| Diesel | $5.62 | $18.50 | $37.01 |
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.