How far is Summerville, SC from Sullivans Island, SC?
The driving distance from Summerville, SC to Sullivans Island, SC is about 31.9 miles (51.3 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 26.4 miles (42.5 km).
- For a round trip, plan for roughly 01h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 43m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Berkeley County, South Carolina, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Summerville and Sullivans Island.
Turn-by-Turn Driving Directions
Step-by-step road directions between Summerville and Sullivans Island.
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1
Start on the route
28 m · 12 sec
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2
Turn left onto East Richardson Avenue
35 m · 7 sec · East Richardson Avenue
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3
Turn right onto North Main Street
2 mi · 3 min · North Main Street
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4
Take the ramp slight right toward I-26 East
1900 ft · 46 sec
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5
Merge slight left
11.5 mi · 14 min
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6
Take the exit slight right toward Aviation Avenue, Remount Road
1137 ft · 28 sec
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7
Keep slight left to continue on Remount Road, Hanahan
1865 ft · 46 sec
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8
Keep slight right to continue on Remount Road, Hanahan
952 ft · 29 sec
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9
Turn left onto Remount Road
1932 ft · 45 sec · Remount Road
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10
Turn right onto Rivers Avenue
1.3 km · 1 min · Rivers Avenue
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11
Take the ramp slight left
1890 ft · 48 sec
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12
Merge slight left onto Mark Clark Expressway
11.9 mi · 15 min · Mark Clark Expressway
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13
Continue on Chuck Dawley Boulevard
1.4 km · 2 min · Chuck Dawley Boulevard
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14
Turn left onto Myrick Road
1758 ft · 51 sec · Myrick Road
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15
At the end of the road, turn right onto Rifle Range Road
1437 ft · 38 sec · Rifle Range Road
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16
Turn left onto Ben Sawyer Boulevard
2.2 mi · 3 min · Ben Sawyer Boulevard
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17
Continue on Station 22 1/2 Street
933 ft · 19 sec · Station 22 1/2 Street
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18
Turn right
18 m · 5 sec
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19
Turn right
11 m · 3 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Summerville and Sullivans Island.
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.
Mark Clark Expressway
Merge slight left onto Mark Clark Expressway
11.9 mi · 00h 15m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Summerville 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 Summerville to Sullivans Island?
The road trip is about 31.9 miles (51.3 km) and usually takes 00h 43m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Hanahan is a useful midpoint, sitting about 16 miles from Summerville and 16 miles from Sullivans Island.
How much longer is the road route than the straight-line distance?
The direct path is about 26.4 miles (42.5 km), while the road route adds roughly 5.5 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.48 one way or $8.95 round trip. Estimated CO2 is about 10 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Summerville and Mostly Sunny near Sullivans Island.
Stop Ideas Near Hanahan
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Historic Charleston City Market
The City of Goose Creek
American Red Cross
Charleston County Parking Garage
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hanahan.
Charleston, South Carolina
Yemassee
Kingstree
Denmark
Flight Path Map
This map shows the direct air route between Summerville and Sullivans Island. Straight-line distance: 26.41 mi (42.51 km).
#1 Summerville
Town in South Carolina, United States
| Population | 53,301 |
| Coordinates | 33.0185000, -80.1756500 |
| Altitude | 27 |
| 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: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 03m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 38m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $4.48 | $8.95 |
| Mid-grade | $4.43 | $5.00 | $10.01 |
| Premium | $4.78 | $5.40 | $10.80 |
| Diesel | $5.62 | $6.36 | $12.71 |
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.