How far is Barnwell, SC from Myrtle Beach, SC?
The driving distance from Barnwell, SC to Myrtle Beach, SC is about 176.7 miles (284.4 km), with a travel time of about 03h 14m by car.
- The straight-line flight distance is about 145.8 miles (234.6 km).
- For a round trip, plan for roughly 06h 29m 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 14m.
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.
City in South Carolina, USA
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 Barnwell and Myrtle Beach.
Turn-by-Turn Driving Directions
Step-by-step road directions between Barnwell and Myrtle Beach.
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1
Start on the route
67 m · 22 sec
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2
At the end of the road, turn left
21 m · 7 sec
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3
Turn right onto Marlboro Avenue
75 m · 9 sec · Marlboro Avenue
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4
Turn right onto Allen Street
1 km · 1 min · Allen Street
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5
At the end of the road, turn left onto Main Street
1.1 mi · 2 min · Main Street
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6
Continue on SC 70
5.1 mi · 9 min · SC 70
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7
Continue on Denmark Road
6.7 mi · 12 min · Denmark Road
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8
Continue on Hagood Street
2166 ft · 51 sec · Hagood Street
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9
Turn left onto Carolina Highway
1441 ft · 25 sec · Carolina Highway
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10
Turn right onto Heritage Highway
6.6 mi · 10 min · Heritage Highway
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11
Turn left onto Main Highway
3 mi · 4 min · Main Highway
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12
Continue on Bamberg Road
12.4 mi · 16 min · Bamberg Road
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13
Continue on Old Edisto Drive
1.7 mi · 2 min · Old Edisto Drive
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14
Continue on John C Calhoun Drive
2.4 mi · 4 min · John C Calhoun Drive
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15
Turn right onto Five Chop Road
21.3 mi · 27 min · Five Chop Road
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16
Take the exit slight right
1383 ft · 34 sec
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17
Merge slight left
38.5 mi · 41 min
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18
Take the exit slight right toward US 378: Turbeville, Sumter
1475 ft · 36 sec
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19
Keep slight right to continue on US 378 East: Turbeville, Lake City, Myrtle Beach
88 m · 7 sec
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20
Merge slight left onto Myrtle Beach Highway
1.4 km · 1 min · Myrtle Beach Highway
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21
Continue on Clarence Coker Highway
3.5 mi · 5 min · Clarence Coker Highway
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22
Continue on Main Street
2637 ft · 1 min · Main Street
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23
Continue on Turbeville Highway
36.1 mi · 43 min · Turbeville Highway
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24
Continue on Highway 378
22.9 mi · 32 min · Highway 378
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25
Continue on Wright Boulevard
1 mi · 2 min · Wright Boulevard
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26
Turn right onto Church Street
1.5 mi · 2 min · Church Street
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27
Continue on Highway 501 East
10.7 mi · 16 min · Highway 501 East
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28
Turn straight
2 mi · 4 min
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29
Turn slight right onto 8th Avenue North
76 m · 15 sec · 8th Avenue North
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30
Turn right onto North Kings Highway
1443 ft · 41 sec · North Kings Highway
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31
Turn left onto 5th Avenue North
61 m · 11 sec · 5th Avenue North
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32
Turn right
60 m · 14 sec
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33
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Barnwell and Myrtle Beach.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Five Chop Road
Merge slight left
38.5 mi · 00h 41m
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.
Mostly Sunny near Barnwell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Barnwell to Myrtle Beach?
The road trip is about 176.7 miles (284.4 km) and usually takes 03h 14m 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?
Manning is a useful midpoint, sitting about 90.1 miles from Barnwell and 86.6 miles from Myrtle Beach.
How much longer is the road route than the straight-line distance?
The direct path is about 145.8 miles (234.6 km), while the road route adds roughly 30.9 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 10:30 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.68 one way or $49.35 round trip. Estimated CO2 is about 55.4 kg one way.
What should you check before leaving?
Before leaving, the latest forecast around Barnwell is Mostly Sunny.
Stop Ideas Near Manning
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Sumter City Hall
Turbeville Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Manning.
Kingstree
Florence
Camden
Columbia
Flight Path Map
This map shows the direct air route between Barnwell and Myrtle Beach. Straight-line distance: 145.75 mi (234.56 km).
#1 Barnwell
City in Barnwell County, South Carolina, United States
| Population | 4,260 |
| Coordinates | 33.2448700, -81.3587200 |
| Altitude | 66 |
| Country | United States |
#2 Myrtle Beach
Coastal city in South Carolina, United States
| Population | 35,555 |
| Coordinates | 33.6890600, -78.8866900 |
| Altitude | 8 |
| Country | United States |
End: North Kings Highway (-78.887105, 33.689329)
Estimated Travel Time
Distance: 284 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 53m |
| 40 mph (64.37 km/h) | 04h 25m |
| 50 mph (80.47 km/h) | 03h 32m |
| 60 mph (96.56 km/h) | 02h 56m |
| 70 mph (112.65 km/h) | 02h 31m |
| 80 mph (129 km/h) | 02h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $24.68 | $49.35 |
| Mid-grade | $4.43 | $27.59 | $55.19 |
| Premium | $4.78 | $29.77 | $59.53 |
| Diesel | $5.62 | $35.04 | $70.08 |
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.