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

The driving distance from Sumter, SC to Seabrook Island, SC is about 127.1 miles (204.6 km), with a travel time of about 02h 48m by car.

  • The straight-line flight distance is about 93.3 miles (150.2 km).
  • For a round trip, plan for roughly 05h 37m 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
127.13 mi
02h 48m
Flight
93.34 mi
150.21 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
93.34 mi
Kilometers
150.21 km
Flight Time
00h 11m

Driving Distance

Road route
127.13 mi
Kilometers
204.6 km
Drive Time
02h 48m

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 48m.

Arrival Snapshot
Arrive in Seabrook Island
Thu, Apr 23, 3:32 AM EDT
Return by in Sumter
Thu, Apr 23, 6:21 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sumter
2026-04-23T00:43
Arrive Seabrook Island
Thu, Apr 23, 3:32 AM EDT
Route Timing
02h 48m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:49 AM to 12:49 PM EDT

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

Leave by
12:52 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
63.6 mi
01h 24m
To Seabrook Island
63.5 mi
01h 24m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
87°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
5 mph W
Destination
74°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
7 to 12 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Sumter and Seabrook 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

    43.7 mi · 48 min

  9. 9

    Take the exit slight right toward I 526: Savannah, Mount Pleasant

    1164 ft · 28 sec

  10. 10

    Keep slight right to continue on I 526 West: Savannah

    2462 ft · 1 min

  11. 11

    Merge slight left onto Mark Clark Expressway

    6.6 mi · 9 min · Mark Clark Expressway

  12. 12

    Turn right onto Sam Rittenberg Boulevard

    127 m · 8 sec · Sam Rittenberg Boulevard

  13. 13

    Turn right onto Savannah Highway

    4.5 mi · 7 min · Savannah Highway

  14. 14

    Turn left onto Main Road

    6.5 mi · 12 min · Main Road

  15. 15

    Continue on Bohicket Road

    7.3 mi · 18 min · Bohicket Road

  16. 16

    Continue on Betsy Kerrison Parkway

    3.1 mi · 7 min · Betsy Kerrison Parkway

  17. 17

    Enter the roundabout and take exit 1 toward Seabrook Island Road

    13 m · 1 sec · Seabrook Island Road

  18. 18

    Exit the roundabout onto Seabrook Island Road

    2.7 mi · 7 min · Seabrook Island Road

  19. 19

    Turn left onto The Haul Over

    1017 ft · 51 sec · The Haul Over

  20. 20

    Turn sharp right

    44 m · 11 sec

  21. 21

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Sumter and Seabrook 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
21 steps
8 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
16.5 / 100 mi
Decision points by distance
Main Roads
I 26 East
44 mi · 35%
I 95 South
36.4 mi · 29%
Manning Road
13.1 mi · 10%
Bohicket Road
7.31 mi · 6%
Mark Clark Expressway
6.6 mi · 5%
Main Road
6.55 mi · 5%
Longest Stretch

I 26 East

Merge slight left

43.7 mi · 00h 48m

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 48m
Day trip friendly
Same-Day Return
05h 38m
Round-trip wheel time
Road vs Air
+33.8 mi
93.3 mi direct line
Halfway Stop
Harleyville
01h 24m from Sumter
Leave By
12:52 PM EDT
Morning start is best
Weather Watch

Sunny leaving Sumter and Sunny near Seabrook Island.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sumter to Seabrook Island?

The road trip is about 127.1 miles (204.6 km) and usually takes 02h 48m 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 63.6 miles from Sumter and 63.5 miles from Seabrook Island.

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

The direct path is about 93.3 miles (150.2 km), while the road route adds roughly 33.8 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 12:52 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $17.78 one way or $35.57 round trip. Estimated CO2 is about 39.9 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Sumter and Sunny near Seabrook 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 Seabrook Island. Straight-line distance: 93.34 mi (150.21 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
Seabrook Island

#2 Seabrook Island

City in Charleston County, South Carolina, United States of America

Population1,880
Coordinates32.5771300, -80.1706500
Altitude5
CountryUnited States
Start: Sumter (-80.34147, 33.92044)
End: Seabrook Island (-80.17065, 32.57713)

Estimated Travel Time

Distance: 205 km by road

SpeedTime
30 mph (48.3 km/h)04h 14m
40 mph (64.37 km/h)03h 10m
50 mph (80.47 km/h)02h 32m
60 mph (96.56 km/h)02h 07m
70 mph (112.65 km/h)01h 48m
80 mph (129 km/h)01h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.49 gal
16.98 L · about $17.78
Round trip
$35.57
8.98 gal · 33.96 L
Estimated CO2
39.9 kg one way
Round trip: 79.8 kg / 176 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $17.78 $35.57
Mid-grade $4.43 $19.89 $39.77
Premium $4.78 $21.45 $42.91
Diesel $5.62 $25.25 $50.50

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

There is no time difference between Sumter and Seabrook Island. The current time is 00:43:30.

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.