How far is Johnston, SC from Mount Pleasant, SC?

The driving distance from Johnston, SC to Mount Pleasant, SC is about 146.5 miles (235.8 km), with a travel time of about 02h 38m by car.

  • The straight-line flight distance is about 132.9 miles (213.9 km).
  • For a round trip, plan for roughly 05h 17m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
146.53 mi
02h 38m
Flight
132.92 mi
213.92 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Johnston.

Flight Distance

Direct air line
132.92 mi
Kilometers
213.92 km
Flight Time
00h 16m

Driving Distance

Road route
146.53 mi
Kilometers
235.82 km
Drive Time
02h 38m

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 02h 38m.

Arrival Snapshot
Arrive in Mount Pleasant
Wed, Apr 22, 11:56 PM EDT
Return by in Johnston
Thu, Apr 23, 2:35 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Johnston
2026-04-22T21:17
Arrive Mount Pleasant
Wed, Apr 22, 11:56 PM EDT
Route Timing
02h 38m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:39 AM to 12:39 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:12 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Johnston
9:30 PM EDT
Morning start is best

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
Brookdale
SC

Census-designated place in Santa Cruz County, California

From Johnston
73.7 mi
01h 19m
To Mount Pleasant
72.8 mi
01h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
8 mph SW
Destination
73°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
3 to 12 mph S

Driving Route Map

The map below follows the saved road route between Johnston and Mount Pleasant.

Turn-by-Turn Driving Directions

Step-by-step road directions between Johnston and Mount Pleasant.

  1. 1

    Start on Lee Street

    6 m · 3 sec · Lee Street

  2. 2

    Turn right onto Calhoun Street

    1.8 mi · 3 min · Calhoun Street

  3. 3

    Continue on Highway 23

    2.2 mi · 4 min · Highway 23

  4. 4

    Continue on West Front Street

    1.1 km · 1 min · West Front Street

  5. 5

    Continue on Highway 23

    3.1 mi · 5 min · Highway 23

  6. 6

    Continue on West Main Street

    1.5 km · 2 min · West Main Street

  7. 7

    Continue on East Main Street

    1.1 km · 1 min · East Main Street

  8. 8

    Continue on Highway 23

    2.1 mi · 4 min · Highway 23

  9. 9

    Turn right onto Main Street

    1.2 km · 2 min · Main Street

  10. 10

    Continue on Old Ninety Six Indian Trail

    19.6 mi · 28 min · Old Ninety Six Indian Trail

  11. 11

    Continue on Railroad Avenue West

    1.1 mi · 2 min · Railroad Avenue West

  12. 12

    Continue on Festival Trail Road

    2.3 mi · 3 min · Festival Trail Road

  13. 13

    Keep slight left to continue on Walker Road

    1.1 mi · 2 min · Walker Road

  14. 14

    Continue on John Nunn Highway

    4.1 mi · 6 min · John Nunn Highway

  15. 15

    Turn left onto Salley Road

    1.1 mi · 2 min · Salley Road

  16. 16

    Enter the roundabout and take exit 2 toward the route

    39 m · 2 sec

  17. 17

    Exit the roundabout

    7 mi · 10 min

  18. 18

    Turn right onto North Road

    16.3 mi · 24 min · North Road

  19. 19

    Continue on Chestnut Street

    3.1 mi · 5 min · Chestnut Street

  20. 20

    Continue on Whittaker Parkway

    1.1 mi · 1 min · Whittaker Parkway

  21. 21

    Turn left onto Five Chop Road

    6.1 mi · 8 min · Five Chop Road

  22. 22

    Take the exit slight right

    2180 ft · 53 sec

  23. 23

    Merge slight left

    56.2 mi · 1 hr 2 min

  24. 24

    Take the exit slight right toward Aviation Avenue, Remount Road

    1137 ft · 28 sec

  25. 25

    Keep slight left to continue on Remount Road, Hanahan

    1865 ft · 46 sec

  26. 26

    Keep slight right to continue on Remount Road, Hanahan

    952 ft · 29 sec

  27. 27

    Turn left onto Remount Road

    1932 ft · 45 sec · Remount Road

  28. 28

    Turn right onto Rivers Avenue

    1.3 km · 1 min · Rivers Avenue

  29. 29

    Take the ramp slight left

    1890 ft · 48 sec

  30. 30

    Merge slight left onto Mark Clark Expressway

    11.9 mi · 15 min · Mark Clark Expressway

  31. 31

    Continue on Chuck Dawley Boulevard

    1.3 mi · 2 min · Chuck Dawley Boulevard

  32. 32

    Turn right onto Coleman Boulevard

    72 m · 13 sec · Coleman Boulevard

  33. 33

    Turn left

    23 m · 6 sec

  34. 34

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Johnston and Mount Pleasant.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
34 steps
11 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
23.2 / 100 mi
Decision points by distance
Main Roads
Five Chop Road
62.8 mi · 43%
Old Ninety Six Indian Trail
19.6 mi · 13%
North Road
16.3 mi · 11%
Mark Clark Expressway
11.9 mi · 8%
Salley Road
8.2 mi · 6%
Highway 23
7.4 mi · 5%
Longest Stretch

Five Chop Road

Merge slight left

56.2 mi · 01h 02m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 38m
Day trip friendly
Same-Day Return
05h 18m
Round-trip wheel time
Road vs Air
+13.6 mi
132.9 mi direct line
Halfway Stop
Brookdale
01h 19m from Johnston
Leave By
1:12 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Johnston and Mostly Sunny near Mount Pleasant.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Johnston to Mount Pleasant?

The road trip is about 146.5 miles (235.8 km) and usually takes 02h 38m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Brookdale is a useful midpoint, sitting about 73.7 miles from Johnston and 72.8 miles from Mount Pleasant.

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 13.6 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:12 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.48 one way or $40.96 round trip. Estimated CO2 is about 45.9 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Johnston and Mostly Sunny near Mount Pleasant.

Stop Ideas Near Brookdale

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

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

RAIL

Denmark

36 mi away
200 West Baruch Street
RAIL

Columbia

58 mi away
850 Pulaski Street
RAIL

Camden

84 mi away
1060 West Dekalb Street
RAIL

Yemassee

91 mi away
9 Main Street

Flight Path Map

This map shows the direct air route between Johnston and Mount Pleasant. Straight-line distance: 132.92 mi (213.92 km).

Johnston

#1 Johnston

Town in South Carolina, United States

Population2,395
Coordinates33.8320800, -81.8009400
Altitude202
CountryUnited States
Mount Pleasant

#2 Mount Pleasant

The second most populous city in Charleston County, South Carolina.

Population92,799
Coordinates32.7940700, -79.8625900
Altitude3
CountryUnited States
Start: Calhoun Street (-81.800991, 33.832068)
End: (-79.862568, 32.79411)

Estimated Travel Time

Distance: 236 km by road

SpeedTime
30 mph (48.3 km/h)04h 52m
40 mph (64.37 km/h)03h 39m
50 mph (80.47 km/h)02h 55m
60 mph (96.56 km/h)02h 26m
70 mph (112.65 km/h)02h 05m
80 mph (129 km/h)01h 49m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.17 gal
19.57 L · about $20.48
Round trip
$40.96
10.34 gal · 39.14 L
Estimated CO2
45.9 kg one way
Round trip: 91.9 kg / 203 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $20.48 $40.96
Mid-grade $4.43 $22.90 $45.80
Premium $4.78 $24.70 $49.40
Diesel $5.62 $29.08 $58.15

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 Johnston and Mount Pleasant. The current time is 21:17:48.

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.