How far is Sumter, SC from Sullivans Island, SC?

The driving distance from Sumter, SC to Sullivans Island, SC is about 112 miles (180.3 km), with a travel time of about 02h 11m by car.

  • The straight-line flight distance is about 85.1 miles (137 km).
  • For a round trip, plan for roughly 04h 22m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
112 mi
02h 11m
Flight
85.1 mi
136.95 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Sumter.

Flight Distance

Direct air line
85.1 mi
Kilometers
136.95 km
Flight Time
00h 10m

Driving Distance

Road route
112 mi
Kilometers
180.25 km
Drive Time
02h 11m

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 11m.

Arrival Snapshot
Arrive in Sullivans Island
Wed, May 6, 9:15 PM EDT
Return by in Sumter
Wed, May 6, 11:26 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sumter
2026-05-06T19:03
Arrive Sullivans Island
Wed, May 6, 9:15 PM EDT
Route Timing
02h 11m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:11 AM to 12:11 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:08 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sumter
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Harleyville
SC

Town in South Carolina

From Sumter
56 mi
01h 05m
To Sullivans Island
56 mi
01h 05m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
87°F
Wednesday

Partly Sunny

Starts
Wed, May 6 6:00 AM EDT
Wind
5 to 13 mph SW
Destination
75°F
Wednesday

Mostly Sunny

Starts
Wed, May 6 6:00 AM EDT
Wind
8 to 16 mph S

Driving Route Map

The map below follows the saved road route between Sumter and Sullivans Island.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sumter and Sullivans Island.

  1. 1

    Start on East Liberty Street

    20 m · 8 sec · East Liberty Street

  2. 2

    Turn left onto South Main Street

    1633 ft · 34 sec · South Main Street

  3. 3

    Continue on Manning Avenue

    1.6 mi · 3 min · Manning Avenue

  4. 4

    Continue on Manning Road

    13.1 mi · 15 min · Manning Road

  5. 5

    Take the exit slight right toward I 95 South: Savannah

    1962 ft · 48 sec

  6. 6

    Merge slight left

    36 mi · 39 min

  7. 7

    Take the exit slight right toward I 26 East: Charleston

    1806 ft · 51 sec

  8. 8

    Merge slight left

    42.2 mi · 47 min

  9. 9

    Take the exit slight right toward Aviation Avenue, Remount Road

    1137 ft · 28 sec

  10. 10

    Keep slight left to continue on Remount Road, Hanahan

    1865 ft · 46 sec

  11. 11

    Keep slight right to continue on Remount Road, Hanahan

    952 ft · 29 sec

  12. 12

    Turn left onto Remount Road

    1932 ft · 45 sec · Remount Road

  13. 13

    Turn right onto Rivers Avenue

    1.3 km · 1 min · Rivers Avenue

  14. 14

    Take the ramp slight left

    1890 ft · 48 sec

  15. 15

    Merge slight left onto Mark Clark Expressway

    11.9 mi · 15 min · Mark Clark Expressway

  16. 16

    Continue on Chuck Dawley Boulevard

    1.4 km · 2 min · Chuck Dawley Boulevard

  17. 17

    Turn left onto Myrick Road

    1758 ft · 51 sec · Myrick Road

  18. 18

    At the end of the road, turn right onto Rifle Range Road

    1437 ft · 38 sec · Rifle Range Road

  19. 19

    Turn left onto Ben Sawyer Boulevard

    2.2 mi · 3 min · Ben Sawyer Boulevard

  20. 20

    Continue on Station 22 1/2 Street

    933 ft · 19 sec · Station 22 1/2 Street

  21. 21

    Turn right

    18 m · 5 sec

  22. 22

    Turn right

    11 m · 3 sec

  23. 23

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Sumter and Sullivans Island.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
23 steps
8 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
20.5 / 100 mi
Decision points by distance
Main Roads
I 26 East
42.6 mi · 38%
I 95 South
36.4 mi · 32%
Manning Road
13.1 mi · 12%
Mark Clark Expressway
11.9 mi · 11%
Ben Sawyer Boulevard
2.24 mi · 2%
Manning Avenue
1.65 mi · 1%
Longest Stretch

I 26 East

Merge slight left

42.2 mi · 00h 47m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 11m
Day trip friendly
Same-Day Return
04h 22m
Round-trip wheel time
Road vs Air
+26.9 mi
85.1 mi direct line
Halfway Stop
Harleyville
01h 05m from Sumter
Leave By
2:08 PM EDT
Morning start is best
Weather Watch

Partly Sunny leaving Sumter 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 Sumter to Sullivans Island?

The road trip is about 112 miles (180.3 km) and usually takes 02h 11m 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?

Harleyville is a useful midpoint, sitting about 56 miles from Sumter and 56 miles from Sullivans Island.

How much longer is the road route than the straight-line distance?

The direct path is about 85.1 miles (137 km), while the road route adds roughly 26.9 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 2:08 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $15.65 one way or $31.29 round trip. Estimated CO2 is about 35.1 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Sumter and Mostly Sunny near Sullivans Island.

Stop Ideas Near Harleyville

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Harleyville, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Harleyville.

RAIL

Charleston, South Carolina

56 mi away
4565 Gaynor Avenue
RAIL

Denmark

66 mi away
200 West Baruch Street
RAIL

Yemassee

69 mi away
9 Main Street
RAIL

Kingstree

76 mi away
101 East Main St.

Flight Path Map

This map shows the direct air route between Sumter and Sullivans Island. Straight-line distance: 85.1 mi (136.95 km).

Sumter

#1 Sumter

City in and county seat of Sumter County, South Carolina, United States

Population39,439
Coordinates33.9204400, -80.3414700
Altitude52
CountryUnited States
Photo coming soon

#2 Sullivans Island

Island in the United States of America

Population1,791
Coordinates32.7632300, -79.8367500
Altitude4
CountryUnited States
Start: Sumter (-80.34147, 33.92044)
End: Sullivans Island (-79.83675, 32.76323)

Estimated Travel Time

Distance: 180 km by road

SpeedTime
30 mph (48.3 km/h)03h 43m
40 mph (64.37 km/h)02h 48m
50 mph (80.47 km/h)02h 14m
60 mph (96.56 km/h)01h 52m
70 mph (112.65 km/h)01h 36m
80 mph (129 km/h)01h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.95 gal
14.96 L · about $15.65
Round trip
$31.29
7.9 gal · 29.92 L
Estimated CO2
35.1 kg one way
Round trip: 70.2 kg / 155 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $15.65 $31.29
Mid-grade $4.43 $17.49 $34.99
Premium $4.78 $18.87 $37.75
Diesel $5.62 $22.21 $44.43

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 · May 06, 2026

There is no time difference between Sumter and Sullivans Island. The current time is 19:03:48.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.