How far is Summerville, SC from Dunean, SC?

The driving distance from Summerville, SC to Dunean, SC is about 196.4 miles (316.1 km), with a travel time of about 03h 37m by car.

  • The straight-line flight distance is about 179.2 miles (288.4 km).
  • For a round trip, plan for roughly 07h 15m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
196.41 mi
03h 37m
Flight
179.22 mi
288.43 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Summerville.

Flight Distance

Direct air line
179.22 mi
Kilometers
288.43 km
Flight Time
00h 21m

Driving Distance

Road route
196.41 mi
Kilometers
316.09 km
Drive Time
03h 37m

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 37m.

Arrival Snapshot
Arrive in Dunean
Thu, Apr 23, 12:37 PM EDT
Return by in Summerville
Thu, Apr 23, 4:14 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Summerville
2026-04-23T08:59
Arrive Dunean
Thu, Apr 23, 12:37 PM EDT
Route Timing
03h 37m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:38 AM to 11:38 AM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:44 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Summerville
9:00 PM EDT
Early departure recommended

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
Irmo
SC

Town

From Summerville
98.2 mi
01h 48m
To Dunean
98.2 mi
01h 48m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Overnight

Clear

Starts
Thu, Apr 23 2:00 AM EDT
Wind
3 mph SW
Destination
53°F
Overnight

Clear

Starts
Thu, Apr 23 2:00 AM EDT
Wind
2 mph WNW

Driving Route Map

The map below follows the saved road route between Summerville and Dunean.

Turn-by-Turn Driving Directions

Step-by-step road directions between Summerville and Dunean.

  1. 1

    Start on the route

    28 m · 12 sec

  2. 2

    Turn left onto East Richardson Avenue

    35 m · 7 sec · East Richardson Avenue

  3. 3

    Turn right onto North Main Street

    2.2 mi · 4 min · North Main Street

  4. 4

    Take the ramp slight left toward I-26 West

    2191 ft · 56 sec

  5. 5

    Merge slight left

    146.8 mi · 2 hr 39 min

  6. 6

    Keep slight left to continue on I 385 North: Laurens, Greenville

    29.6 mi · 32 min

  7. 7

    Keep slight right to continue on I 185, US 276: Atlanta, Mauldin, Anderson

    2748 ft · 34 sec

  8. 8

    Take the exit slight left toward I 185: Atlanta, Anderson

    3027 ft · 1 min

  9. 9

    Merge slight left onto Southern Connector

    15.9 mi · 18 min · Southern Connector

  10. 10

    Turn left onto Henrydale Avenue

    117 m · 14 sec · Henrydale Avenue

  11. 11

    Continue on Stevens Street

    1309 ft · 37 sec · Stevens Street

  12. 12

    Turn right onto Duke & Blake Street Alley

    51 m · 12 sec · Duke & Blake Street Alley

  13. 13

    Arrive at your destination

    0 m · 1 sec · Duke & Blake Street Alley

Car Route Details

A richer read on the saved driving route between Summerville and Dunean.

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
13 steps
4 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
6.6 / 100 mi
Decision points by distance
Main Roads
I-26 West
147 mi · 75%
I 385 North
29.6 mi · 15%
Southern Connector
15.9 mi · 8%
North Main Street
2.16 mi · 1%
I 185
1.09 mi · 1%
Stevens Street
0.25 mi
Longest Stretch

I-26 West

Merge slight left

147 mi · 02h 39m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
03h 37m
Long day trip
Same-Day Return
07h 16m
Round-trip wheel time
Road vs Air
+17.2 mi
179.2 mi direct line
Halfway Stop
Irmo
01h 48m from Summerville
Leave By
9:44 AM EDT
Early departure recommended
Weather Watch

Clear leaving Summerville and Clear near Dunean.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Summerville to Dunean?

The road trip is about 196.4 miles (316.1 km) and usually takes 03h 37m 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 98.2 miles from Summerville and 98.2 miles from Dunean.

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 17.2 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 9:44 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $27.45 one way or $54.90 round trip. Estimated CO2 is about 61.6 kg one way.

What should you check before leaving?

Before you leave, expect Clear around Summerville and Clear near Dunean.

Stop Ideas Near Irmo

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Irmo, 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 Irmo.

RAIL

Columbia

17 mi away
850 Pulaski Street
RAIL

Camden

54 mi away
1060 West Dekalb Street
RAIL

Denmark

85 mi away
200 West Baruch Street
RAIL

Spartanburg

119 mi away
290 Magnolia St

Flight Path Map

This map shows the direct air route between Summerville and Dunean. Straight-line distance: 179.22 mi (288.43 km).

Summerville

#1 Summerville

Town in South Carolina, United States

Population53,301
Coordinates33.0185000, -80.1756500
Altitude27
CountryUnited States
Photo coming soon

#2 Dunean

Census-designated place in Greenville County, South Carolina

Population3,671
Coordinates34.8248400, -82.4192900
Altitude304
CountryUnited States
Start: Summerville (-80.17565, 33.0185)
End: Dunean (-82.41929, 34.82484)

Estimated Travel Time

Distance: 316 km by road

SpeedTime
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 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.93 gal
26.24 L · about $27.45
Round trip
$54.90
13.86 gal · 52.48 L
Estimated CO2
61.6 kg one way
Round trip: 123.2 kg / 272 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $27.45 $54.90
Mid-grade $4.43 $30.69 $61.39
Premium $4.78 $33.11 $66.22
Diesel $5.62 $38.97 $77.95

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 Summerville and Dunean. The current time is 08:59:34.

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.