How far is Hilton Head Island, SC from Sullivans Island, SC?
The driving distance from Hilton Head Island, SC to Sullivans Island, SC is about 111.3 miles (179.1 km), with a travel time of about 02h 35m by car.
- The straight-line flight distance is about 65.6 miles (105.6 km).
- For a round trip, plan for roughly 05h 11m 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 35m.
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.
City in South Carolina, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Hilton Head Island and Sullivans Island.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hilton Head Island and Sullivans Island.
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1
Start on Allen Road
887 ft · 42 sec · Allen Road
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2
Turn left onto Marshland Road
2.2 mi · 5 min · Marshland Road
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3
Take the ramp right
2176 ft · 53 sec
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4
Merge slight left onto Cross Island Parkway
2.3 mi · 2 min · Cross Island Parkway
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5
Merge slight left onto William Hilton Parkway
3.9 mi · 4 min · William Hilton Parkway
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6
Continue on Fording Island Road
9 mi · 13 min · Fording Island Road
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7
Take the exit slight right
1444 ft · 40 sec
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8
Keep slight right
45 m · 4 sec
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9
Merge slight left onto Okatie Highway
12.2 mi · 14 min · Okatie Highway
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10
Continue on Edward Burton Rodgers Bridge
1.7 mi · 2 min · Edward Burton Rodgers Bridge
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11
Continue on Robert Smalls Parkway
3.5 mi · 4 min · Robert Smalls Parkway
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12
Turn slight left onto Parris Island Gateway
1.2 mi · 2 min · Parris Island Gateway
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13
At the end of the road, turn left onto Trask Parkway
11.6 mi · 14 min · Trask Parkway
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14
Take the exit slight right
2391 ft · 1 min
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15
Merge slight left
53 mi · 1 hr 14 min
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16
Turn straight onto Septima P. Clark Parkway
1026 ft · 29 sec · Septima P. Clark Parkway
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17
Continue on Crosstown
2825 ft · 1 min · Crosstown
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18
Continue on Septima Clark Expressway
3047 ft · 1 min · Septima Clark Expressway
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19
Keep slight right to continue on US 17 North: Mount Pleasant, Georgetown
2.6 mi · 4 min
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20
Take the exit slight right toward SC 703: Coleman Boulevard, Sullivans Island
2647 ft · 1 min
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21
Continue on West Coleman Boulevard
2.2 mi · 5 min · West Coleman Boulevard
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22
Continue on Ben Sawyer Boulevard
2.6 mi · 4 min · Ben Sawyer Boulevard
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23
Continue on Station 22 1/2 Street
933 ft · 19 sec · Station 22 1/2 Street
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24
Turn right
18 m · 5 sec
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25
Turn right
11 m · 3 sec
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26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Hilton Head Island and Sullivans Island.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Trask Parkway
Merge slight left
53 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.
Partly Sunny leaving Hilton Head Island and Mostly Sunny near Sullivans Island.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hilton Head Island to Sullivans Island?
The road trip is about 111.3 miles (179.1 km) and usually takes 02h 35m 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?
Jonesville is a useful midpoint, sitting about 55.6 miles from Hilton Head Island and 55.7 miles from Sullivans Island.
How much longer is the road route than the straight-line distance?
The direct path is about 65.6 miles (105.6 km), while the road route adds roughly 45.7 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 1:18 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.57 one way or $31.13 round trip. Estimated CO2 is about 34.9 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Hilton Head Island and Mostly Sunny near Sullivans Island.
Stop Ideas Near Jonesville
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 Jonesville.
Yemassee
Denmark
Charleston, South Carolina
Savannah
Flight Path Map
This map shows the direct air route between Hilton Head Island and Sullivans Island. Straight-line distance: 65.64 mi (105.63 km).
#1 Hilton Head Island
Resort town in South Carolina, USA
| Population | 39,619 |
| Coordinates | 32.1938200, -80.7381600 |
| Altitude | 3 |
| Country | United States |
#2 Sullivans Island
Island in the United States of America
| Population | 1,791 |
| Coordinates | 32.7632300, -79.8367500 |
| Altitude | 4 |
| Country | United States |
End: Sullivans Island (-79.83675, 32.76323)
Estimated Travel Time
Distance: 179 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 42m |
| 40 mph (64.37 km/h) | 02h 46m |
| 50 mph (80.47 km/h) | 02h 13m |
| 60 mph (96.56 km/h) | 01h 51m |
| 70 mph (112.65 km/h) | 01h 35m |
| 80 mph (129 km/h) | 01h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $15.57 | $31.13 |
| Mid-grade | $4.43 | $17.41 | $34.81 |
| Premium | $4.78 | $18.78 | $37.56 |
| Diesel | $5.62 | $22.10 | $44.20 |
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.