How far is Sullivans Island, SC from Summerville, SC?
The driving distance from Sullivans Island, SC to Summerville, SC is about 32 miles (51.5 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 26m 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 Sullivans Island and Summerville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sullivans Island and Summerville.
-
1
Start on the route
12 m · 5 sec
-
2
Turn right
18 m · 9 sec
-
3
Turn left onto Station 22 1/2 Street
859 ft · 15 sec · Station 22 1/2 Street
-
4
Continue on Ben Sawyer Boulevard
1.7 mi · 3 min · Ben Sawyer Boulevard
-
5
Turn slight right onto Ben Sawyer Boulevard
2698 ft · 53 sec · Ben Sawyer Boulevard
-
6
Turn right onto Rifle Range Road
1437 ft · 35 sec · Rifle Range Road
-
7
Turn left onto Myrick Road
1758 ft · 52 sec · Myrick Road
-
8
Turn right onto Chuck Dawley Boulevard
1.4 km · 1 min · Chuck Dawley Boulevard
-
9
Turn straight onto Mark Clark Expressway
12 mi · 15 min · Mark Clark Expressway
-
10
Take the exit slight right toward US 52 West, US 78 West: Rivers Avenue
1271 ft · 31 sec
-
11
Turn slight right onto Rivers Avenue
1.1 mi · 2 min · Rivers Avenue
-
12
Turn straight
534 ft · 21 sec
-
13
Take the ramp slight right toward I 26 North: Columbia
2641 ft · 45 sec
-
14
Merge slight left
11.7 mi · 14 min
-
15
Take the exit slight right toward US 17 Alternate South: Summerville
1450 ft · 35 sec
-
16
Turn straight onto North Main Street
2.2 mi · 4 min · North Main Street
-
17
Turn left onto East Richardson Avenue
35 m · 5 sec · East Richardson Avenue
-
18
Turn right
28 m · 7 sec
-
19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Sullivans Island and Summerville.
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
Turn straight onto Mark Clark Expressway
12 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 Sullivans Island and Mostly Sunny near Summerville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sullivans Island to Summerville?
The road trip is about 32 miles (51.5 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 Sullivans Island and 16 miles from Summerville.
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 5.6 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 7:04 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 Sullivans Island and Mostly Sunny near Summerville.
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 Sullivans Island and Summerville. Straight-line distance: 26.41 mi (42.51 km).
#1 Sullivans Island
Island in the United States of America
| Population | 1,791 |
| Coordinates | 32.7632300, -79.8367500 |
| Altitude | 4 |
| Country | United States |
#2 Summerville
Town in South Carolina, United States
| Population | 53,301 |
| Coordinates | 33.0185000, -80.1756500 |
| Altitude | 27 |
| Country | United States |
End: Summerville (-80.17565, 33.0185)
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.