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

The driving distance from Irwin, SC to Mount Pleasant, SC is about 178.6 miles (287.4 km), with a travel time of about 02h 51m by car.

  • The straight-line flight distance is about 142.4 miles (229.1 km).
  • For a round trip, plan for roughly 05h 43m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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
178.58 mi
02h 51m
Flight
142.36 mi
229.11 km direct

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

Learn Distance

Choose another destination from Irwin.

Flight Distance

Direct air line
142.36 mi
Kilometers
229.11 km
Flight Time
00h 17m

Driving Distance

Road route
178.58 mi
Kilometers
287.4 km
Drive Time
02h 51m

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 51m.

Arrival Snapshot
Arrive in Mount Pleasant
Fri, Nov 6, 7:22 PM EST
Return by in Irwin
Fri, Nov 6, 10:14 PM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Irwin
2026-11-06T16:30
Arrive Mount Pleasant
Fri, Nov 6, 7:22 PM EST
Route Timing
02h 51m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EST
Aim for a morning departure
Arrive between
10:52 AM to 12:52 PM EST

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

Leave by
12:46 PM EST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Irwin
9:30 PM EST
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
Manning
SC

City in South Carolina, USA

From Irwin
90 mi
01h 25m
To Mount Pleasant
88.6 mi
01h 25m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Friday

Light Rain

Starts
Fri, Nov 6 6:00 AM EST
Wind
3 mph W
Destination
69°F
Overnight

Mostly Cloudy

Starts
Fri, Nov 6 2:00 AM EST
Wind
5 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Confederate Avenue

    879 ft · 41 sec · Confederate Avenue

  2. 2

    Turn right onto Patton Street

    797 ft · 40 sec · Patton Street

  3. 3

    Turn left onto Grace Avenue

    1.7 mi · 4 min · Grace Avenue

  4. 4

    Continue on Memorial Park Road

    1280 ft · 29 sec · Memorial Park Road

  5. 5

    Turn left onto Great Falls Road

    1.9 mi · 3 min · Great Falls Road

  6. 6

    At the end of the road, turn right onto Kershaw Highway

    2354 ft · 40 sec · Kershaw Highway

  7. 7

    Continue on Kershaw Camden Highway

    1.2 mi · 2 min · Kershaw Camden Highway

  8. 8

    At the end of the road, turn right onto Kershaw Camden Highway

    7.4 mi · 8 min · Kershaw Camden Highway

  9. 9

    Continue on North Main Street

    1.5 km · 1 min · North Main Street

  10. 10

    Turn left onto Spring Street

    1.3 km · 55 sec · Spring Street

  11. 11

    Continue on Kershaw Camden Highway

    4.8 mi · 5 min · Kershaw Camden Highway

  12. 12

    Turn slight right onto North Matson Street

    1.5 mi · 2 min · North Matson Street

  13. 13

    Continue on South Hampton Street

    1.1 km · 47 sec · South Hampton Street

  14. 14

    Continue on Kershaw Camden Highway

    2.7 mi · 3 min · Kershaw Camden Highway

  15. 15

    Continue on Kershaw Highway

    14.4 mi · 16 min · Kershaw Highway

  16. 16

    Continue on North Broad Street

    4.2 mi · 9 min · North Broad Street

  17. 17

    Continue on Sumter Highway

    8.4 mi · 10 min · Sumter Highway

  18. 18

    Continue on Camden Highway

    6.2 mi · 7 min · Camden Highway

  19. 19

    Continue on Thomas Sumter Highway

    7.6 mi · 9 min · Thomas Sumter Highway

  20. 20

    Continue on Camden Highway

    1.9 mi · 2 min · Camden Highway

  21. 21

    Turn slight left onto Broad Street

    1.2 km · 1 min · Broad Street

  22. 22

    Turn slight right onto Bultman Drive

    1.2 km · 2 min · Bultman Drive

  23. 23

    Continue on North Guignard Drive

    3.6 mi · 4 min · North Guignard Drive

  24. 24

    Continue on South Guignard Parkway

    1.1 mi · 1 min · South Guignard Parkway

  25. 25

    Turn right onto Manning Road

    12.1 mi · 14 min · Manning Road

  26. 26

    Take the exit slight right toward I 95 South: Savannah

    1962 ft · 48 sec

  27. 27

    Merge slight left

    36 mi · 39 min

  28. 28

    Take the exit slight right toward I 26 East: Charleston

    1806 ft · 51 sec

  29. 29

    Merge slight left

    42.2 mi · 47 min

  30. 30

    Take the exit slight right toward Aviation Avenue, Remount Road

    1137 ft · 28 sec

  31. 31

    Keep slight left to continue on Remount Road, Hanahan

    1865 ft · 46 sec

  32. 32

    Keep slight right to continue on Remount Road, Hanahan

    952 ft · 29 sec

  33. 33

    Turn left onto Remount Road

    1932 ft · 45 sec · Remount Road

  34. 34

    Turn right onto Rivers Avenue

    1.3 km · 1 min · Rivers Avenue

  35. 35

    Take the ramp slight left

    1890 ft · 48 sec

  36. 36

    Merge slight left onto Mark Clark Expressway

    11.9 mi · 15 min · Mark Clark Expressway

  37. 37

    Continue on Chuck Dawley Boulevard

    1.3 mi · 2 min · Chuck Dawley Boulevard

  38. 38

    Turn right onto Coleman Boulevard

    72 m · 13 sec · Coleman Boulevard

  39. 39

    Turn left

    23 m · 6 sec

  40. 40

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
40 steps
14 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
22.4 / 100 mi
Decision points by distance
Main Roads
I 26 East
42.6 mi · 24%
I 95 South
36.4 mi · 20%
Kershaw Camden Highway
16.1 mi · 9%
Kershaw Highway
14.8 mi · 8%
Manning Road
12.1 mi · 7%
Mark Clark Expressway
11.9 mi · 7%
Longest Stretch

I 26 East

Merge slight left

42.2 mi · 00h 47m

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 51m
Day trip friendly
Same-Day Return
05h 44m
Round-trip wheel time
Road vs Air
+36.2 mi
142.4 mi direct line
Halfway Stop
Manning
01h 25m from Irwin
Leave By
12:46 PM EST
Morning start is best
Weather Watch

Light Rain leaving Irwin and Mostly Cloudy near Mount Pleasant.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 178.6 miles (287.4 km) and usually takes 02h 51m 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?

Manning is a useful midpoint, sitting about 90 miles from Irwin and 88.6 miles from Mount Pleasant.

How much longer is the road route than the straight-line distance?

The direct path is about 142.4 miles (229.1 km), while the road route adds roughly 36.2 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 8:00 AM to 10:00 AM EST. If you want a more comfortable same-day return, try to leave by 12:46 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.69 one way or $45.39 round trip. Estimated CO2 is about 56 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain around Irwin and Mostly Cloudy near Mount Pleasant.

Stop Ideas Near Manning

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

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

RAIL

Kingstree

35 mi away
101 East Main St.
RAIL

Florence

70 mi away
805 East Day Street
RAIL

Camden

72 mi away
1060 West Dekalb Street
RAIL

Columbia

84 mi away
850 Pulaski Street

Flight Path Map

This map shows the direct air route between Irwin and Mount Pleasant. Straight-line distance: 142.36 mi (229.11 km).

Photo coming soon

#1 Irwin

Irwin is a place in South Carolina, United States.

Population0
Coordinates34.6937600, -80.8222900
Altitude149
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: Confederate Avenue (-80.822352, 34.693381)
End: (-79.862568, 32.79411)

Estimated Travel Time

Distance: 287 km by road

SpeedTime
30 mph (48.3 km/h)05h 57m
40 mph (64.37 km/h)04h 27m
50 mph (80.47 km/h)03h 34m
60 mph (96.56 km/h)02h 58m
70 mph (112.65 km/h)02h 33m
80 mph (129 km/h)02h 13m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.3 gal
23.85 L · about $22.69
Round trip
$45.39
12.6 gal · 47.7 L
Estimated CO2
56 kg one way
Round trip: 112 kg / 247 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.60 $22.69 $45.39
Mid-grade $4.06 $25.55 $51.11
Premium $4.46 $28.07 $56.13
Diesel $5.72 $36.00 $72.01

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 · Nov 06, 2026

There is no time difference between Irwin and Mount Pleasant. The current time is 16:30:42.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.