How far is Mount Pleasant, SC from Johnston, SC?
The driving distance from Mount Pleasant, SC to Johnston, SC is about 147.5 miles (237.4 km), with a travel time of about 03h 16m by car.
- The straight-line flight distance is about 132.9 miles (213.9 km).
- For a round trip, plan for roughly 06h 32m 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 16m.
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.
Census-designated place in Santa Cruz County, California
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 Mount Pleasant and Johnston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Pleasant and Johnston.
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1
Start on the route
23 m · 10 sec
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2
Turn right onto Coleman Boulevard
72 m · 10 sec · Coleman Boulevard
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3
Turn left onto Chuck Dawley Boulevard
1.3 mi · 2 min · Chuck Dawley Boulevard
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4
Turn straight onto Mark Clark Expressway
12 mi · 15 min · Mark Clark Expressway
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5
Take the exit slight right toward US 52 West, US 78 West: Rivers Avenue
1271 ft · 31 sec
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6
Turn slight right onto Rivers Avenue
1.1 mi · 2 min · Rivers Avenue
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7
Turn straight
534 ft · 21 sec
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8
Take the ramp slight right toward I 26 North: Columbia
2641 ft · 45 sec
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9
Merge slight left
56.5 mi · 1 hr 2 min
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10
Take the exit slight right toward US 301 South: Orangeburg
1530 ft · 37 sec
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11
Merge slight left onto Five Chop Road
6.4 mi · 8 min · Five Chop Road
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12
Turn right onto Whittaker Parkway
1.1 mi · 1 min · Whittaker Parkway
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13
Continue on Chestnut Street
3.1 mi · 5 min · Chestnut Street
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14
Continue on North Road
16.3 mi · 24 min · North Road
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15
Turn left onto Salley Road
7 mi · 10 min · Salley Road
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16
Enter the roundabout and take exit 2 toward the route
45 m · 2 sec
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17
Exit the roundabout
1.1 mi · 2 min
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18
Turn right onto John Nunn Highway
4.1 mi · 6 min · John Nunn Highway
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19
Continue on Walker Road
1.1 mi · 2 min · Walker Road
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20
Turn straight onto Festival Trail Road
2.3 mi · 3 min · Festival Trail Road
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21
Continue on Railroad Avenue East
1.1 mi · 2 min · Railroad Avenue East
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22
Continue on Old Ninety Six Indian Trail
19.6 mi · 28 min · Old Ninety Six Indian Trail
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23
Continue on Main Street
1.2 km · 2 min · Main Street
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24
Turn left onto Highway 23
2.1 mi · 4 min · Highway 23
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25
Continue on East Main Street
1.6 mi · 3 min · East Main Street
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26
Continue on Highway 23
3.1 mi · 5 min · Highway 23
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27
Continue on East Front Street
1.1 km · 1 min · East Front Street
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28
Continue on Highway 23
2.2 mi · 4 min · Highway 23
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29
Continue on Calhoun Street
1.8 mi · 3 min · Calhoun Street
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30
Turn left onto Lee Street
6 m · 1 sec · Lee Street
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31
Arrive at your destination
0 m · 1 sec · Lee Street
Car Route Details
A richer read on the saved driving route between Mount Pleasant and Johnston.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 26 North
Merge slight left
56.5 mi · 01h 02m
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 Mount Pleasant and Sunny near Johnston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Pleasant to Johnston?
The road trip is about 147.5 miles (237.4 km) and usually takes 03h 16m 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?
Brookdale is a useful midpoint, sitting about 73.8 miles from Mount Pleasant and 73.8 miles from Johnston.
How much longer is the road route than the straight-line distance?
The direct path is about 132.9 miles (213.9 km), while the road route adds roughly 14.6 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 10:28 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.64 one way or $41.27 round trip. Estimated CO2 is about 46.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Mount Pleasant and Sunny near Johnston.
Stop Ideas Near Brookdale
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 Brookdale.
Denmark
Columbia
Camden
Yemassee
Flight Path Map
This map shows the direct air route between Mount Pleasant and Johnston. Straight-line distance: 132.92 mi (213.92 km).
#1 Mount Pleasant
The second most populous city in Charleston County, South Carolina.
| Population | 92,799 |
| Coordinates | 32.7940700, -79.8625900 |
| Altitude | 3 |
| Country | United States |
#2 Johnston
Town in South Carolina, United States
| Population | 2,395 |
| Coordinates | 33.8320800, -81.8009400 |
| Altitude | 202 |
| Country | United States |
End: Johnston (-81.80094, 33.83208)
Estimated Travel Time
Distance: 237 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 54m |
| 40 mph (64.37 km/h) | 03h 41m |
| 50 mph (80.47 km/h) | 02h 57m |
| 60 mph (96.56 km/h) | 02h 27m |
| 70 mph (112.65 km/h) | 02h 06m |
| 80 mph (129 km/h) | 01h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $20.64 | $41.27 |
| Mid-grade | $4.43 | $23.08 | $46.15 |
| Premium | $4.78 | $24.89 | $49.79 |
| Diesel | $5.62 | $29.30 | $58.60 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.