How far is Duncan, SC from North Charleston, SC?
The driving distance from Duncan, SC to North Charleston, SC is about 206 miles (331.5 km), with a travel time of about 03h 11m by car.
- The straight-line flight distance is about 190.3 miles (306.2 km).
- For a round trip, plan for roughly 06h 23m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 11m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Town in South Carolina
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Duncan and North Charleston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Duncan and North Charleston.
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1
Start on South Spencer Street
39 m · 7 sec · South Spencer Street
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2
Turn right onto West Main Street
5.8 mi · 12 min · West Main Street
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3
Continue on Moore Duncan Highway
6.2 mi · 10 min · Moore Duncan Highway
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4
Turn left onto Highway 221
1.3 km · 1 min · Highway 221
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5
Take the ramp right
797 ft · 19 sec
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6
Merge slight left
79.4 mi · 1 hr 27 min
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7
Keep slight right to continue on Charleston
107.3 mi · 1 hr 59 min
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8
Take the exit slight right toward SC 642: Dorchester Road
1270 ft · 33 sec
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9
Turn left onto Dorchester Road
1.2 km · 2 min · Dorchester Road
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10
Turn right onto Rivers Avenue
1501 ft · 29 sec · Rivers Avenue
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11
Arrive at your destination
0 m · 1 sec · Rivers Avenue
Car Route Details
A richer read on the saved driving route between Duncan and North Charleston.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Charleston
Keep slight right to continue on Charleston
107 mi · 01h 59m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Duncan and Sunny near North Charleston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Duncan to North Charleston?
The road trip is about 206 miles (331.5 km) and usually takes 03h 11m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Pineridge is a useful midpoint, sitting about 100.5 miles from Duncan and 105.5 miles from North Charleston.
How much longer is the road route than the straight-line distance?
The direct path is about 190.3 miles (306.2 km), while the road route adds roughly 15.7 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:36 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.80 one way or $57.59 round trip. Estimated CO2 is about 64.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Duncan and Sunny near North Charleston.
Stop Ideas Near Pineridge
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 Pineridge.
Columbia
Camden
Denmark
Flight Path Map
This map shows the direct air route between Duncan and North Charleston. Straight-line distance: 190.28 mi (306.23 km).
#1 Duncan
Human settlement in Spartanburg County, South Carolina, United States of America
| Population | 3,715 |
| Coordinates | 34.9379000, -82.1451100 |
| Altitude | 264 |
| Country | United States |
#2 North Charleston
The second most populous city in Charleston County, South Carolina.
| Population | 118,752 |
| Coordinates | 32.8546200, -79.9748100 |
| Altitude | 6 |
| Country | United States |
End: US 52 (-79.97488, 32.854524)
Estimated Travel Time
Distance: 332 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 51m |
| 40 mph (64.37 km/h) | 05h 09m |
| 50 mph (80.47 km/h) | 04h 07m |
| 60 mph (96.56 km/h) | 03h 25m |
| 70 mph (112.65 km/h) | 02h 56m |
| 80 mph (129 km/h) | 02h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $28.80 | $57.59 |
| Mid-grade | $4.43 | $32.20 | $64.40 |
| Premium | $4.78 | $34.74 | $69.47 |
| Diesel | $5.62 | $40.89 | $81.77 |
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 04, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.