How far is Williamston, SC from Sumter, SC?
The driving distance from Williamston, SC to Sumter, SC is about 150.2 miles (241.7 km), with a travel time of about 02h 40m by car.
- The straight-line flight distance is about 131.2 miles (211.1 km).
- For a round trip, plan for roughly 05h 20m 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 40m.
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 Newberry County, South Carolina, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Williamston and Sumter.
Turn-by-Turn Driving Directions
Step-by-step road directions between Williamston and Sumter.
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1
Start on Spring Park
25 m · 5 sec · Spring Park
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2
Turn right onto West Main Street
104 m · 7 sec · West Main Street
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3
Continue on East Main Street
1677 ft · 35 sec · East Main Street
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4
Turn slight left onto Greenville Drive
1.2 km · 1 min · Greenville Drive
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5
Continue on South Carolina 20
537 ft · 12 sec · South Carolina 20
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6
Turn right onto Courtney Street Extension
1 mi · 2 min · Courtney Street Extension
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7
At the end of the road, turn right onto Lebby Street
1144 ft · 25 sec · Lebby Street
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8
Continue on Highway 8 East
3.7 mi · 6 min · Highway 8 East
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9
Continue on Highway 418
9.9 mi · 14 min · Highway 418
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10
Continue on Milacron Drive
1.3 mi · 2 min · Milacron Drive
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11
Continue on McCarter Road
940 ft · 20 sec · McCarter Road
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12
Take the ramp right
1748 ft · 43 sec
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13
Merge slight left onto Golden Strip Freeway
22.9 mi · 25 min · Golden Strip Freeway
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14
Merge slight left
55.8 mi · 1 hr 1 min
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15
Keep slight left to continue on I 126, US 76: Columbia
3.4 mi · 4 min
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16
Take the exit slight right toward Huger Street
1161 ft · 28 sec
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17
Continue on Huger Street
1.2 km · 2 min · Huger Street
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18
Turn left onto Gervais Street
1.9 mi · 4 min · Gervais Street
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19
Turn right onto Millwood Avenue
1.4 mi · 3 min · Millwood Avenue
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20
Continue on Devine Street
1.3 mi · 3 min · Devine Street
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21
Continue on Garners Ferry Road
36.2 mi · 46 min · Garners Ferry Road
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22
Keep slight right to continue on Broad Street
3.2 mi · 5 min · Broad Street
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23
Continue on North Washington Street
2266 ft · 49 sec · North Washington Street
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24
Turn left onto West Liberty Street
966 ft · 20 sec · West Liberty Street
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25
Arrive at your destination
0 m · 1 sec · East Liberty Street
Car Route Details
A richer read on the saved driving route between Williamston and Sumter.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Golden Strip Freeway
Merge slight left
55.8 mi · 01h 01m
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.
Mostly Sunny leaving Williamston and Partly Sunny near Sumter.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Williamston to Sumter?
The road trip is about 150.2 miles (241.7 km) and usually takes 02h 40m 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?
Little Mountain is a useful midpoint, sitting about 72.7 miles from Williamston and 77.5 miles from Sumter.
How much longer is the road route than the straight-line distance?
The direct path is about 131.2 miles (211.1 km), while the road route adds roughly 19 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 1:10 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.99 one way or $41.99 round trip. Estimated CO2 is about 47.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Williamston and Partly Sunny near Sumter.
Stop Ideas Near Little Mountain
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 Little Mountain.
Columbia
Camden
Spartanburg
Denmark
Flight Path Map
This map shows the direct air route between Williamston and Sumter. Straight-line distance: 131.17 mi (211.1 km).
#1 Williamston
Town in Anderson County, South Carolina
| Population | 4,298 |
| Coordinates | 34.6184500, -82.4779100 |
| Altitude | 248 |
| Country | United States |
#2 Sumter
City in and county seat of Sumter County, South Carolina, United States
| Population | 39,439 |
| Coordinates | 33.9204400, -80.3414700 |
| Altitude | 52 |
| Country | United States |
End: East Liberty Street (-80.341474, 33.920409)
Estimated Travel Time
Distance: 242 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 00m |
| 40 mph (64.37 km/h) | 03h 45m |
| 50 mph (80.47 km/h) | 03h 00m |
| 60 mph (96.56 km/h) | 02h 30m |
| 70 mph (112.65 km/h) | 02h 08m |
| 80 mph (129 km/h) | 01h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $20.99 | $41.99 |
| Mid-grade | $4.43 | $23.47 | $46.95 |
| Premium | $4.78 | $25.32 | $50.65 |
| Diesel | $5.62 | $29.81 | $59.61 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.