How far is Dunean, SC from Summerville, SC?
The driving distance from Dunean, SC to Summerville, SC is about 196.2 miles (315.7 km), with a travel time of about 03h 02m by car.
- The straight-line flight distance is about 179.2 miles (288.4 km).
- For a round trip, plan for roughly 06h 04m 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 02m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Dunean and Summerville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dunean and Summerville.
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1
Start on Duke & Blake Street Alley
51 m · 16 sec · Duke & Blake Street Alley
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2
Turn left onto Stevens Street
1309 ft · 38 sec · Stevens Street
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3
Continue on Henrydale Avenue
106 m · 13 sec · Henrydale Avenue
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4
Turn right
16 mi · 18 min
-
5
Take the exit slight right toward I 385 South: Columbia
3014 ft · 1 min
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6
Merge slight right
1140 ft · 14 sec
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7
Merge slight left onto Golden Strip Freeway
29.8 mi · 32 min · Golden Strip Freeway
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8
Merge slight left
55.8 mi · 1 hr 1 min
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9
Keep slight right to continue on Charleston
90.9 mi · 1 hr 39 min
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10
Take the exit slight right toward US 17 Alternate South: Summerville
1450 ft · 35 sec
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11
Turn straight onto North Main Street
2 mi · 3 min · North Main Street
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12
Turn left onto East Richardson Avenue
35 m · 5 sec · East Richardson Avenue
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13
Turn right
28 m · 7 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Dunean and Summerville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Charleston
Keep slight right to continue on Charleston
90.9 mi · 01h 39m
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 Dunean and Mostly Sunny near Summerville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dunean to Summerville?
The road trip is about 196.2 miles (315.7 km) and usually takes 03h 02m 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?
Irmo is a useful midpoint, sitting about 98 miles from Dunean and 98.2 miles from Summerville.
How much longer is the road route than the straight-line distance?
The direct path is about 179.2 miles (288.4 km), while the road route adds roughly 17 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 10:56 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.41 one way or $54.82 round trip. Estimated CO2 is about 61.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dunean and Mostly Sunny near Summerville.
Stop Ideas Near Irmo
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 Irmo.
Columbia
Camden
Denmark
Spartanburg
Flight Path Map
This map shows the direct air route between Dunean and Summerville. Straight-line distance: 179.22 mi (288.43 km).
#1 Dunean
Census-designated place in Greenville County, South Carolina
| Population | 3,671 |
| Coordinates | 34.8248400, -82.4192900 |
| Altitude | 304 |
| Country | United States |
#2 Summerville
Town in South Carolina, United States
| Population | 53,301 |
| Coordinates | 33.0185000, -80.1756500 |
| Altitude | 27 |
| Country | United States |
End: East Richardson Avenue (-80.1755, 33.018698)
Estimated Travel Time
Distance: 316 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 32m |
| 40 mph (64.37 km/h) | 04h 54m |
| 50 mph (80.47 km/h) | 03h 55m |
| 60 mph (96.56 km/h) | 03h 16m |
| 70 mph (112.65 km/h) | 02h 48m |
| 80 mph (129 km/h) | 02h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $27.41 | $54.82 |
| Mid-grade | $4.43 | $30.65 | $61.30 |
| Premium | $4.78 | $33.06 | $66.13 |
| Diesel | $5.62 | $38.92 | $77.84 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.