Charleston, SC to Williamston, SC is 211.8 miles and takes about 4h 5m via I 26 and I 385, with a fuel budget near $33 and enough daylight to finish in a day. This trip stays within South Carolina, moving from the Southeast region to another part of the Southeast. It's a straightforward, highway-focused drive, making it an easy one-day journey. Expect a smooth ride for most of the way, with almost the entire route utilizing major highways. This is a practical choice if you need to get from point A to point B efficiently within the state.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
105.9 miles from Charleston, SC
A natural place for your longest stop of the day
, about 1h 59m into the drive
.
Main Roads
Road
Distance
Duration
I 26
168.4 mi
3h 5m
I 385
22.9 mi
24m
Highway 418
9.9 mi
14m
Highway 8 East
3.7 mi
5m
Milacron Drive
1.3 mi
2m
Courtney Street
1 mi
2m
Meeting Street
0.7 mi
1m
Greenville Drive
0.7 mi
1m
Longest stretch:
I 26
— 168.4 mi, about 3h 5m
Turn-by-Turn Driving Directions
Step-by-step road directions between Charleston, SC and Williamston, SC.
1
Start on Broad Street
40 ft·5 sec·Broad Street
2
Turn right onto S-10-107
0.7 mi·1 min·Meeting Street
Use the straight lane.
3
Turn left onto Calhoun Street
0.1 mi·15 sec·Calhoun Street
4
Turn right onto S-10-104
0.6 mi·1 min·King Street
5
Turn left onto Spring Street
0.2 mi·30 sec·Spring Street
6
Turn right onto Coming Street
0.2 mi·31 sec·Coming Street
7
Turn right onto US 17
0.6 mi·1 min·Septima Clark Expressway
8
Keep slight left at fork onto I 26
168 mi·3 hr 5 min·I 26
Use the straight / slight right lanes.
9
Keep slight left at fork onto I 385
23 mi·24 min·I 385
Exit 51Toward I 385 North: Laurens, GreenvilleUse the slight left / straight lanes.
10
Take the exit
0.2 mi·37 sec
Toward SC 418: Fountain Inn, Pelzer
11
Turn left onto SC 418
0.4 mi·42 sec·McCarter Road
12
Continue on SC 418
1.3 mi·2 min·Milacron Drive
13
Continue on SC 418
9.9 mi·14 min·Highway 418
14
Continue on SC 8
3.7 mi·5 min·Highway 8 East
15
Continue on SC 8
0.2 mi·29 sec·Lebby Street
16
Turn left onto Courtney Street
1.0 mi·2 min·Courtney Street
17
At end of road, turn left onto SC 20
0.1 mi·10 sec·South Carolina 20
18
Continue on SC 20
0.7 mi·1 min·Greenville Drive
19
Continue on SC 20
0.3 mi·37 sec·East Main Street
20
Turn left onto Mill Street
261 ft·13 sec·Mill Street
21
Turn right onto Mineral Park Lane
0.2 mi·40 sec·Mineral Park Lane
22
Turn right onto Spring Park
264 ft·11 sec·Spring Park
23
Arrive at destination
Spring Park
Trip Plan
Given the relatively short duration of 4 hours and 5 minutes, this is a perfect same-day trip. You could comfortably leave Charleston in the morning and arrive in Williamston by lunchtime. There's only one recommended stop along the way, so you can be quite flexible with your timing. Keep an eye on your fuel gauge, especially before the longest stretch on I 26, as services can be spaced out on interstates. Since it's a highway-heavy route, planning your departure to avoid peak traffic leaving Charleston would be a smart move.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 105.9 miles from Charleston, SC, or about 1h 59m into the drive.
The longest continuous stretch on this route runs about 168.4 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 47 miles or 54m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 105.9 miles or 1h 59m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 14m
Traffic, exits, and arrival timing usually matter more near Williamston, SC than in the middle of the route.
Before You Leave
+
Open the route before leaving Charleston, SC so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Charleston, SC
This is one driving day of about 211.8 miles and 4h 5m.
Your first comfortable stop window is around 47 miles from Charleston, SC.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 26 for about 168.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 14
5 decision points cluster between mile 0 and 193.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0 mi into trip|~0m in|S-10-107 / Meeting Street
Turn right onto S-10-107 / Meeting Street
Lane positioning matters here
Use the straight lane.
5
1.6 mi into trip|~3m in|Coming Street
Turn right onto Coming Street
Navigation decision point
6
2.4 mi into trip|~5m in|I 26
Keep slight left at fork onto I 26
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
9
170.8 mi into trip|~3h 10m in|I 385
Keep slight left at fork onto I 385 toward I 385 North: Laurens, Greenville
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Exit 51
Toward I 385 North: Laurens, Greenville
5
193.7 mi into trip|~3h 35m in
Take the exit toward SC 418: Fountain Inn, Pelzer
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward SC 418: Fountain Inn, Pelzer
Fuel & Cost
Regular Gas
$33.12 one way
$66.24 round trip
$3.97/gal25.4 MPG avg74 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.34
$36.21
$72.43
premium
$4.70
$39.20
$78.40
diesel
$5.61
$46.76
$93.53
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$33
Meals
$25–$50
Total
$58–$83
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 74.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $22 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
63.5
0
$22.24
$10.17
Efficient EV
53
0
$18.53
$8.47
EV Truck/SUV
84.7
1
$29.65
$13.56
Gas CO2
74 kg
EV CO2
25 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
Charleston, SC
Late night
in Charleston on Sunday
Local time
3:56 AM
EDT
Current temp
58°F
Unavailable
Live forecast
Destination
Williamston, SC
Late night
in Williamston on Sunday
Local time
3:56 AM
EDT
Current temp
74°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
16 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 5m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Fort Sumter and Fort Moultrie National Historical Park
National Historical Park
Two forts stand at the entrance of Charleston Harbor. Patriots inside a palmetto log fort, later named Fort Moultrie, defeated the Royal Navy in 1776. As Charleston blazed a path towards secession to...
Astonishing biodiversity exists in Congaree National Park, the largest intact expanse of old growth bottomland hardwood forest remaining in the southeastern United States. Waters from the Congaree and...
12 mi from route
~29 min detour
Free
near mile 87.7
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive is predominantly a highway-focused experience, with 97% of the journey on major roads like I 26 and I 385. You'll encounter a long, uninterrupted stretch of 168.4 miles on I 26, which means consistent speed and minimal distractions for a significant portion of your trip. Highway 418 offers a brief change of pace towards the end. The character is largely that of efficient travel, prioritizing directness over scenic detours. Be prepared for a steady pace for the majority of the drive.
97% highway — fuel and pacing are the main things to plan.
23 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 168.4 mi on I 26.
How Hard Is This Drive?
5/10
This is a straightforward highway drive that stays mostly on I 26 and I 385. You will hit about 14 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near S-10-107 / Meeting Street.
Driving Effort5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 211.8 miles you will encounter 14 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start (S-10-107 / Meeting Street): Lane positioning matters here; at 1.6 miles (Coming Street): Navigation decision point; at 2.4 miles (I 26): Highway fork - watch signs carefully. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Charleston, SC and Williamston, SC, road signs point toward Greenville and Pelzer.
Greenville
170.8 mi in|~3h 10m|via I 385
Pelzer
193.7 mi in|~3h 35m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 4h 5m. Total distance: 211.8 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 5m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (97%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 168.4 miles on I 26. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
The main spots that need attention: near the start (S-10-107 / Meeting Street): Lane positioning matters here; at 1.6 miles (Coming Street): Navigation decision point; at 2.4 miles (I 26): Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Fort Sumter and Fort Moultrie National Historical Park and Congaree National Park. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 4.1 hours each way, an in-and-out day trip would put you behind the wheel for 8.2 hours — manageable with a long break at Williamston, SC, but most travelers stay overnight.
